| Subject | Date Asked |
|
| Light | 11/2/2009 |
Q: a light ray going parallel to earth surface has covered a distance 'd' mtr. what will be the loose ...
A: .. Thanks for your question! Here are some web quotes which will answer your1. "When men first ...
|
| physics | 11/1/2009 |
Q: I just finished reading about multiverse theory and I don't understand why if a theory (such as ...
A: For this question, the "Theory Guys" do no have much math to rely upon. ...
|
| Causes for Changes in Specific Gravity in Diesel Fuel | 10/19/2009 |
Q: We recently purchased 10000 gallons of diesel fuel from the refinery. The fuel was loaded into a ...
A: .. Thanks for your question! Note: Sorry for my late reply, had to swap-out my modem...a lightning ...
|
| Physics help for a science project | 10/18/2009 |
Q: I am trying to find a formula that I can apply for my science project. The project is to determine ...
A: .. Thanks for your question! Note: Sorry for my late reply...had to install a new modem. So, Onto ...
|
| nuclear physics | 9/21/2009 |
Q: can you just tell me that what is the percentage of storage and recycling of nuclear waste by the ...
A: First review: ...
|
| time | 8/24/2009 |
Q: I saw a special on the science channel that theorized that a message could be send back in time, ...
A: ? Thanks for your kind questions... I saw a special on the science channel that theorized that a ...
|
| separating mixtures | 7/15/2009 |
Q: Have you ever used washing machine to spin dry your clothes? what is being separated in this case? ...
A: Q: Have you ever used washing machine to spin dry your clothes? what is being separated in this ...
|
| Light | 7/6/2009 |
Q: Can you tell me what kind of light can get through water no matter whether it is visible light or ...
A: In general, green or blue light frequencies penetrate water the best. It is amazing that fishermen ...
|
| power plants and power availability in general | 6/8/2009 |
Q: I'll start by saying thank you. If you even took the time to read this I would like to say that I ...
A: Sorry for my late reply...was at my beach condo. I'll start by saying thank you. If you even took ...
|
| Rain | 6/2/2009 |
Q: I read yr answer about walking in the rain.The rain vector is vertically downwards,the motion vector ...
A: Not just add or subtract. I wish it were this easy. Because this problem involves both the time of ...
|
| About field | 6/1/2009 |
Q: I'm 18. What are the differences between electric & magnetic fields? Much appreciated
A: .. Thanks for your question! Here are some differences: Electric Fields: Are usually man-made ...
|
| throw | 5/27/2009 |
Q: When rain (with constant velocity), if you want walk from one place to another place how can you go ...
A: .. Thanks for your question! When rain (with constant velocity), if you want walk from one place ...
|
| Induced EMF Experiment | 5/26/2009 |
Q: Hey Spaceman, I'm in the 12th grade and I have decided to do my main physics assignment on Induced ...
A: Hey Spaceman, SM: Hi Michael! I'm in the 12th grade and I have decided to do my main physics ...
|
| Eintstein's train thought experiment | 5/18/2009 |
Q: I am in a Google Groups discussion about Einstein's thought experiment concerning the relativity of ...
A: .. Thanks for your question! I am in a Google Groups discussion about Einstein's thought ...
|
| Albert Nobel Prize | 5/8/2009 |
Q: I earlier asked an expert why Einstein had not received a Nobel Prize for either of his two theories ...
A: I did not answer any of your questions! I was busy at the time. Sent them to the "question pool". ...
|
| Generators | 5/4/2009 |
Q: i am making an AC generator that uses 7 circular magnets. I was wondering if it is better to join ...
A: .. Thanks for your question! It is best to keep the magnets close together for your generator. ...
|
| Sonic Boom | 4/23/2009 |
Q: When a plane breaks the sound barrier it generates a sonic boom..what happens when it slows down..ie ...
A: .. Thanks for your question! Basically, since a supersonic compression wave is no longer being ...
|
| physics | 4/14/2009 |
Q: can a resultant of two vectors be equal to the magnitude of either of the vector? how plz provide ...
A: Some Wiki responses..a popular question!: 1.Vector have magnitude AND direction. If two vectors ...
|
| Physics.About conductors of electricity. | 4/8/2009 |
Q: Where does charge concentrate in a conductor?
A: .. Thanks for your question! In general, charges collect in areas of sharp points, edges or sharp ...
|
| wind turbine blades | 1/24/2009 |
Q: all wind turbine blades I have seen to date are smaller at the far ends and get larger towards the ...
A: The design of airfoils is one of the few things that are well understood. It would seem that a ...
|
| Dry etching question | 1/23/2009 |
Q: I am an undergraduate majoring in the engineering field. Recently, I stumbled upon a problem while ...
A: A good CF4 resistant metal? 1. Titanium is commonly used. See: ...
|
| Physics: Waves | 1/13/2009 |
Q: which of the following does not transfer the energy? a)Transvers waves b)longitudinal waves c)non ...
A: The energy trasferred by these waves works as follows... First, Review: ...
|
| laws of motion | 12/30/2008 |
Q: Respected sir, can you please explain the term and relevance of 'normal reaction force' while going ...
A: Normal Reaction Force --------------------- 1. Here is the standard question-set for this topic: ...
|
| GWEN towers | 12/16/2008 |
Q: Let me thank you up front for taking time to read my question. I`ll keep it brief. Have you heard of ...
A: All I know about this is the following web extract! I only know the first names of the people I ...
|
| Energy | 11/25/2008 |
Q: Why force can't be an energy? Although I know that the force has to multiply the distance so as to ...
A: This difference between force and energy is simply a matter of current definitions! I think that ...
|
| dynamo | 11/20/2008 |
Q: HOW MUCH CURRENT DOES A TYPICAL CAR DYNAMO PRODUCE?
A: Usually cars use alternators. Dynamos are hardly ever used currently. So, for alternators... (From ...
|
| Physics | 11/8/2008 |
Q: Why ocean water appears blue?
A: .. Thanks for your question! There are a few reasons oceans appear blue. Here we go: Sunlight ...
|
| Photodiode | 11/5/2008 |
Q: Photodiode ia an energy source or not?
A: .. Thanks for your question! The answer is YES! Read: Photodiode From Wikipedia, the free ...
|
| Forces of Friction | 10/12/2008 |
Q: I would like to know how to solve this problem. A block accelerates 3.1 m/s^2 down a plane inclined ...
A: I do not do homework questions, but will give you lots of resources which will provide the help you ...
|
| evaporation | 10/7/2008 |
Q: Will the density of a liquid (such as water with food coloring) affect its evaporation rate?
A: Yes...darker water will absorb more more radiant heat from any light source. This would mean that ...
|
| Secret Science | 9/30/2008 |
Q: So Spaceman do you think the Gov't has developed time travel or some sort of "warp drive"? I mean ...
A: So Spaceman do you think the Gov't has developed time travel or some sort of "warp drive"? SM: Time ...
|
| Waves | 9/23/2008 |
Q: 1) Why is radio waves not longitudinal waves but transverse waves instead? What does it mean when ...
A: Here we go with some "wave" answers! 1) Why is radio waves not longitudinal waves but transverse ...
|
| physics, | 9/16/2008 |
Q: Pr. Electromagnetic waves travel at the speed of light and carry energy. Energy is equal to ...
A: Sorry for my delay in answering. I had sent an answer but it did not get through?! Review these ...
|
| Physics | 9/12/2008 |
Q: PLease Provide Me the lIST oF iNSULATOR wHO gET cHARGE aFTER rUBBING wITH oTHER sURFACE
A: Review: 1. http://www.school-for-champions.com/science/static_materials.htm 2. ...
|
| Physics | 8/30/2008 |
Q: A rolling ball moves from x1 = 3.4 cm to x2 = -4.2 cm during the time from t1 = 3.6 s to t2 = 6.1 s. ...
A: I normally avoid these kind of questions. Here is a URL which will provide some hints for you, ...
|
| heat | 8/26/2008 |
Q: why is heat said a potential enery
A: Read the following extracts... 1. Thermal potential energy The thermal energy of an object is ...
|
| water | 8/19/2008 |
Q: if we dissolve 100 gram sugar in a jar of water that weighs 1 kilogram, will the weight of water ...
A: The answer is a bit tricky. Read the following extract from MadScience.com ...
|
| circular motion | 8/4/2008 |
Q: sir i want to ask when a stone tied to one end of a string and whirled around in the horizontal ...
A: You will first want to review the slide presentation at: ...
|
| Liquid metal | 8/1/2008 |
Q: I am looking for a liquid (possibly metal) that conducts electricity and has a very low resistance. ...
A: Of course you know that mercury is normally used as a conducting liquid metal under most conditions. ...
|
| Do human share the same colour system? | 7/29/2008 |
Q: I want ask why do human seem seem to be able to agree on following phenomenon? -Is it true that ...
A: This topic is out of my area of speciality. I will try to give you some information anyway. Here ...
|
| Led's and light | 7/16/2008 |
Q: Age 59. I know that an LED can function as a light detector. What I'd like to know is how is this ...
A: I was going to give you a long personal answer Joeseph. But...The websites below fully address ...
|
| sea water column free energy | 7/8/2008 |
Q: what can i do for tacking energy from the sea water column
A: Review the following link for an article on this very topic. It is the closest thing to what you ...
|
| aliens | 7/3/2008 |
Q: I have so many questions to ask and I don't know where to begin...there is a guy who has his own tv ...
A: Believe it or not, the answers to all of your questions are very simple. I know about Chris Angel ...
|
| Electronics problem - Transistors. | 6/29/2008 |
Q: I am a senior Physics student in high school having trouble with using a transistor(details at end ...
A: I saw your circuit, not an easy one to solve from here. You need to review the conductance charts ...
|
| Circuit | 6/16/2008 |
Q: Putting a circuit with a 9V battery, one capacitor, one LED, and resistors in series correct? So ...
A: Yes... Ususally he circuits LED will emit light until the capcitor fully discharges. But... You ...
|
| RC Circuits | 6/15/2008 |
Q: What are the equations to find the voltage across a resistor and capacitor of a RC Circuit in ...
A: This problem of RC circuits comes-up all the time. Please visit the following websites for some ...
|
| Does a Uniformly Accelerated Charge Radiate ? | 6/14/2008 |
Q: nice to meet you again. I am extrem busy and will send you soon a mail. I hope you are well. please ...
A: How have you been? It seems as if there is no definitive answer on this one. The link that ...
|
| gravity on a bullet fired | 6/10/2008 |
Q: if a bullet is fired from a gun that is perpendicular to the earth's surface, and one is dropped ...
A: The answer your teacher wants is... Yes. However if the bullet is traveling at a decent percentage ...
|
| Gravitation | 6/5/2008 |
Q: Why the planets revolve around the sun? what is the phenomenon, if they are revolving around the ...
A: Planets rotate around the Sun because they must! If the planets did not rotate about the Sun at ...
|
| chemistry | 5/25/2008 |
Q: why does boiling water take more time than melting ice? ( it has something to do with the particles ...
A: Some web extracts for you to review: Does Cold Water Boil Faster Than Hot? Posted by Adam Kuban, ...
|
| Two-way radio communications | 5/11/2008 |
Q: I'm middle-aged and embarking on a science fiction writing career. I have a tale I'm writing about ...
A: Would special transmitters and receivers be needed, considering the 240,000 mile range? A. No, ...
|
| physics | 5/6/2008 |
Q: what should the angle between resolved objects for high resolution in optical instruments?
A: No easy answer here George. You will want to review the Wiki extracts below for a better ...
|
| What causes active interference materials? (answer found) | 4/22/2008 |
Q: I earlier asked why a laser pointed at a fused fiber optic bundle displayed active complex ...
A: I am just happy that you found the problem. We only knew that something was changing. In our lab, ...
|
| What causes active interference materials? | 3/28/2008 |
Q: I'm a post college engineer with physics, electronics, quantum physics, advanced math, and systems ...
A: Yikes,I know precisely what you are asking...and I have not heard of this effect either. Something ...
|
| Can man jump further if he jumps from east to west than from west to east? | 3/22/2008 |
Q: I am an undergraduate student with the age of 22. I know it seems to be an easy question. We all ...
A: You are correct in your assumptions, but perhaps you are making things more complex than needed. Do ...
|
| Lightning | 3/9/2008 |
Q: Is there any instrument for measuring the temperature of lightning? if so what is the material used ...
A: At any one time about 2,000 thunderstorms may exist worldwide, producing lighting flashing at a ...
|
| Physics | 3/5/2008 |
Q: Mr Spaceman: Hello, I have a question, does the electromagnetic field generate space-time ...
A: An EM field can generate some ST curvatures at high field strengths. A G-field can generate such ...
|
| physics | 2/28/2008 |
Q: why we use negative sign in electric potential energy?
A: Remember that a negative charge means having a surplus of electrons; or having a lower electric ...
|
| power | 2/23/2008 |
Q: sir A refrigerator marked 80 W and 220 V. What is likely to happen if the voltage is dropped to 50 ...
A: When the voltage drops this low, the compressor usually stalls. This can lead to burn-out if the ...
|
| new invention on production of eletricity | 2/20/2008 |
Q: Please give me detailed knowledge about invention of production of electricity by only infrared ..
A: Using IR light waves to generate power is a bit difficult, but possible! Review the following "Ask ...
|
| symmetrical pi attenuators | 2/12/2008 |
Q: When it comes to symmetrical pi attenuators, all I can find schematically are pi attenuators. Could ...
A: You were correct in that info on this topic is hard to find. I found one website that includes ...
|
| High Voltage kits | 2/2/2008 |
Q: I am very much a new comer to high voltage circuitries and I was wondering if you have any tips or ...
A: Here is my advice... First, you must allow a space between you and your HV generator of at least 1" ...
|
| electricty | 1/23/2008 |
Q: when you use a multimeter and you put one wire in one and the other wire in the other hand then ...
A: .. Thanks for your question! Yes, the meter is recording you skin resistance. The skin is ...
|
| Egg Drop | 1/7/2008 |
Q: My son needs to drop an egg from three floors and use a tooth pick structure to protect it. Do you ...
A: Happy to help! Here are two fine websites to review with your son to give you an idea on how to ...
|
| Sun Comet Deflector | 1/4/2008 |
Q: Awhile ago I saw a show on Discovery Channel about comets and possible ways to deter a comet from ...
A: You can review some links on this solar method of deflection at: ...
|
| Holograms | 1/3/2008 |
Q: How do you create a hologram?
A: There is plenty of great information on this topic at Wikipedia. So, just cut and paste the ...
|
| electromagnetism | 12/30/2007 |
Q: how can I prevent the flow of one magnetic field with another magnetic field? can you recommend any ...
A: You need to buy a "high Mu" magnetic shielding material. Review the following websites: 1. ...
|
| Is neutron-neutron fusion easier to facilitate than proton-proton fusion? | 12/27/2007 |
Q: Neutron-neutron fusion is an example of nuclear fusion because neutrons are nucleons. Is it possible ...
A: Neutron-neutron fusion is an example of nuclear fusion because neutrons are nucleons. A. Correct ...
|
| What is the quantum of sound outside solids? | 12/19/2007 |
Q: In solids, the quantum of sound is the "phonon". What is the quantum of sound outside solids? ...
A: First, you may wish to buy a copy of the book: ...
|
| Invisible Ink | 12/13/2007 |
Q: I know this is more of a chemistry question, but I get the feeling the chemists are not very ...
A: I think I know what you are trying to do. There are lots of inks which are only visable when wet. ...
|
| Newton's Cradle | 12/4/2007 |
Q: When you place a finger in between the middle of the Newton's cradle, somehting strange happends. ...
A: Not Sure!! I must refer you to the following website: Visit: ...
|
| domino effect | 11/10/2007 |
Q: Why does varying the spacing between adjacent dominoes change the velocity of the wave? Is there any ...
A: The speed of the wave will vary on the distance between the dominoes because of the time it takes ...
|
| domino effect | 10/18/2007 |
Q: What factors affect domino phnomena, In other words, What are the justifcations for the following ...
A: The physics of a row of toppling dominoes: (Some web extracts) The forces between the falling ...
|
| apparent weight and artificial gravity | 10/13/2007 |
Q: a space station is shaped like a ring and rotates to simulate gravity. If the radius of the space ...
A: You left-off the radius of the circular space station, but I will give some rotational information ...
|
| Science Fair | 10/9/2007 |
Q: I'm 9 years old and I don't know how to look information to my project: Does a ball roll faster in ...
A: This question has to do with the friction coefficient of the surface on which the ball is rolling. ...
|
| physics | 10/4/2007 |
Q: a car moving eastward but accelerating westward. is this possible? i'm 15 yrs. old
A: Yes, this is possible with respect to the Earths rotation. If one makes a u-turn near one of the ...
|
| just curious... | 10/1/2007 |
Q: i was just curious about something what would happen if i dig from one side of the earth to the ...
A: Well, you would experience all of the following effects: 1. Gravity would be at zero level at the ...
|
| dc current & transformers | 9/16/2007 |
Q: I am 67years old, and a retired assistant principal from the Orleans Parish School System. I retired ...
A: The transformation of voltage is usually accomplished using transformers or voltage-doublers. An AC ...
|
| Philadelphia Experiment | 9/11/2007 |
Q: I'm 19, and my question is about the Philadelphia Experiment from 1943. Do You know what was the ...
A: The Philadelphia Experiment was a project that concerned blocking naval ships from radar detection. ...
|
| Temperature | 9/10/2007 |
Q: I have 4 cups a)White cup is fully filled with normal water, b)White cup is fully filled ...
A: If the heat source is radiant in nature, the answer would be "d". If the heat source is microwave in ...
|
| Dipping bird fluid | 8/30/2007 |
Q: I am looking for a fluid with a low boiling point. I want to make a Dipping Bird, a few feet tall. ...
A: There are several other liquids (with low boiling points) from which to choose. 1. Pentane... ...
|
| Question about colors | 8/27/2007 |
Q: How is the wavelength of colour measured?
A: The wavelengths of light waves are measured using spectrometers. There are many types and brands. ...
|
| voltage fluctuation | 8/17/2007 |
Q: 1) IF i connect a voltmeter between the socket[neutral and live] at my home the voltage shown is not ...
A: 1) IF i connect a voltmeter between the socket[neutral and live] at my home the voltage shown is not ...
|
| ELECTRICITY AND ELECTRONICS | 8/4/2007 |
Q: THE FUNCTION OF A CAPACITOR IN AN ELECTRIC CIRUIT IS TO
A: A capacitor holds an electrical charge. In other words, it collects electrons until it is discharged ...
|
| physics for living | 7/3/2007 |
Q: I'm wondering if you can name some great books on physics for non-physicists. There are two types ...
A: For an overview of the field, you cannot go wrong with: "Physics For Dummies" by Steve Holzner. Get ...
|
| microscope | 6/20/2007 |
Q: what is the best light that can be used within the range of the visible light spectrum? why? why do ...
A: what is the best light that can be used within the range of the visible light spectrum? why? A. ...
|
| black body | 6/19/2007 |
Q: I would like to know if there is a substance that can be applied to an object (such as paint) that ...
A: Yes, the perfect substance is the black paint used in telescopes and other optical instruments for ...
|
| newton terminal velocity | 6/18/2007 |
Q: My knowledge in physics does not extend much past secondary education level so I may be missing ...
A: This is a common conceptual problem. F-ma is the energy it takes to propel an object to obtain a ...
|
| mass of potons? | 6/13/2007 |
Q: Does light have mass? Does a gravity well bend space, or does light have mass, thus bending it ...
A: You are correct...no one is sure how to define the way light works in the world of physics. My ...
|
| physics | 6/6/2007 |
Q: spaceman i need your help to know about spectograph. please tell me about trajectry also.
A: A spectograph and other related devices are explained at: ...
|
| physics | 6/5/2007 |
Q: wat do we mean by refracted ray ?
A: A refracted ray usually refers to the way light is affected as it passes through a dense medium. ...
|
| a gendanken | 6/1/2007 |
Q: I have not studied physics formally, however I am well read on the subject as a result of intense ...
A: This is not really my area of expertise, but first review: 1. en.wikipedia.org/wiki/Speed_of_light ...
|
| physics | 4/30/2007 |
Q: I learned today that an object(ex, stainless steel fridge or filing cabinet) sitting at one ...
A: As I recall...the magnetic lines of flux do not radiate in a pure horizontal manner. They tend to ...
|
| Sound cancelation | 4/26/2007 |
Q: Is there a place one could go to get a sound canceling device for a certain room of their house to ...
A: The answer is yes...with a few qualifying factors! One can cancel external ambient sounds using a ...
|
| space | 4/25/2007 |
Q: hi im just wondering if the human body went to outer space for say 50 years would the human body age ...
A: Def: Time is that which separates events. In space, one is subjected to more hard particles (like ...
|
| tension | 4/18/2007 |
Q: I hav a doubt In single fixed pulley If there is a load of 100N on one side of the rope passing over ...
A: The tension on the rope combines these forces only WHEN MOVING! The friction adds to the total ...
|
| science fair title | 3/24/2007 |
Q: I am doing a science project on growing beans in organic soil vs. chemically treated soil and I ...
A: Beans are a great science project. I wish you well. Some more project names: 1. Clean Beans 2. ...
|
| fuse | 3/19/2007 |
Q: an electric kettle is rated 3kW,250V. so its current carrying capacity is 12A. can it be used in a ...
A: A 13A home circuit (at the 250 volt rating) should be enough to handle this kettle. There will be ...
|
| black holes | 3/12/2007 |
Q: what are black holes? kats
A: .. Perhaps the best overall description is from the Wikipedia web-site: "A black hole is an object ...
|
| "earth flare" | 2/25/2007 |
Q: I see you have an interest in ufo. If i could refer to the glowing plasmas that are referred to as ...
A: I think you are on the right track regarding plasma balls. They are not well understood. The ...
|
| piresistance formulae for a symmetrical pi attenuator | 2/19/2007 |
Q: Given the "k" factor and the basic specifications of a T-network,i have derived the formulae ...
A: Note that I am not much of a math fan (I use computer sims) but I will try to lead you in the right ...
|
| physics | 2/12/2007 |
Q: can you pls. pls. help me with our assignments? the questions goes like this. 1. A 2.1x10 raised to ...
A: Remember that I normally do not answer homework questions. I will be happy to guide you in the ...
|
| Science Project experiment - density | 2/9/2007 |
Q: My Son is doing a science experiment about density. The experiment goes as follows: 1)Fill an ...
A: Recall that water at 1 Cubic foot weighs 62.4269107 Pounds. The <8lb ball will rise in water. The ...
|
| For my physics project.I need help ASAP. | 2/3/2007 |
Q: Pls dont take this message for granted or else,.its gOobye graduation for me. can you enclose the ...
A: I could write a book on this topic, but I will give you some of the basics for now. Here are a few ...
|
| Physics Kinematics in one dimension | 1/31/2007 |
Q: I am so stumped on this one! A person driving her car at 45 km/h approaches an intersection just ...
A: Remember that I normally avoid homework questions, but I will try to steer you in the right ...
|
| physics | 1/25/2007 |
Q: please someone explain me what exactly is meant by electric potential and potential difference. why ...
A: Electrical potential is usually measured in Volts. It can get a bit complex in understanding he ...
|
| voice resonance | 1/9/2007 |
Q: How are different frequencies able to resonate in the same hollow space (like different notes on an ...
A: Re: How are different frequencies able to resonate in the same hollow space (like different notes on ...
|
| Vector & Flux | 12/30/2006 |
Q: 1st, What would be the result of multiplication of a Vector with Zero (a scalar number)? Can we ...
A: 1st, What would be the result of multiplication of a Vector with Zero (a scalar number)? Can we ...
|
| Pretty pictures of physics in action--with questions | 12/21/2006 |
Q: Q1. Watch this video: http://video.google.com/videoplay?docid=6017342022780502321 -- what words or ...
A: A1: These misty vapor effects are caused by the partial vacuum created when a jet or plane gets near ...
|
| Heat | 12/14/2006 |
Q: Could you please check my answers to see if they are right THANKS 1. A silver bar 0.125 meter ...
A: Here is my review of your answers... 1. A silver bar 0.125 meter long is subjected to a ...
|
| PHYSICS | 12/9/2006 |
Q: HOW PERMANENT MAGNETISM BE DESTROYED?
A: Read: 1. http://www.reciprocalsystem.com/bpm/bpm22.htm 2. www.matchrockets.com/ether/magfaqs.html ...
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| Physics | 12/7/2006 |
Q: 1. An object 5 millimeters high is located 15 millimeters in front of a plane mirror. How far ...
A: I am sorry I deleted you previous message yesterday. I get lots of homework questions which I ...
|
| Gravity | 11/30/2006 |
Q: Why is it that when I jump on a bus or airplane, I won't fly to the back and move foward even while ...
A: Because you were already accelerated to the same velocity as the vehicle you are located in, your ...
|
| Is it possible to send Messages Backward in Time by using Tachyons ? | 11/21/2006 |
Q: My question would be about Tachyons. It is stated that, because of their superluminal speeds, (v > ...
A: I think it may be possible for Tachyons or other phenomenon to relate a message prior to it being ...
|
| impulse and momentum | 11/14/2006 |
Q: A 55 kg swimmer is standing on a stationary 200 kg floating raft. The swimmer then runs off the raft ...
A: Recall that I normally do not answer homework questions. Here is some help...review: 1. ...
|
| photoelectric | 11/12/2006 |
Q: d) How the existence of a threshold frequency does explain the photon theory?
A: Remember: When light falls on metal, electrons are found to be ejected from metal, this is called ...
|
| chemistery | 11/9/2006 |
Q: 1. Which of the following will result in a chemical change? A. Melting ice to obtain water ...
A: Note: I normally do not answer homework question because I could spend 24 hours a day doing this ...
|
| electromagnetic waves | 11/8/2006 |
Q: i'm 32 years old. will you please tell me why the dishes to receive satellite tv signal are made of ...
A: Dense metals are the best reflectors of EM waves. Most companies simply use aluminum because it is ...
|
| Please I need an answer | 11/3/2006 |
Q: please , i need to know how this equation of the spherometer was obtained , in full details please ...
A: You will want to fully review: http://www.answers.com/spherometer#after_ad1 This site may be of ...
|
| Momentum/height | 10/29/2006 |
Q: A small block of mass m1=0.500 kg is released from rest at the top of a curved wedge of mass ...
A: Remember that I normally avoid homework questions. I do this only because I am time-limited. Here ...
|
| light bulbs | 10/24/2006 |
Q: The brightness of a bulb depends on what?
A: The brightness of any lamp or light-bulb varies depending on many variables. As in: 1. The wattage ...
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| ph environment and enzyme | 10/22/2006 |
Q: I would appreciate your answering. 1. In what type of pH environment does this enzyme (amylase) seem ...
A: This is not my main field of interest, but i will try to assist you as best I can 1. In what type ...
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| free fall | 10/18/2006 |
Q: we have this expeiment in physics about free fall. and our teacher gave us some questions to answer. ...
A: Gravity has an effect on physical objects in many ways. A great website to review is: ...
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| Where does the charge of an Electron come from ? | 10/8/2006 |
Q: I am just studieng the book „The secret of the creative Vacuum“ by John Davidson, there at chapter ...
A: I was just about to contact you again. I am just studying the book „The secret of the creative ...
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| Basic | 10/4/2006 |
Q: Sir, i respetfull that u tel me wat is the basic ...
A: A. Hello Aamir: Thanks for your questions! I have tried to understand your questions. If I am ...
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| What would we see, if we could travel at the speed of Light ? | 10/3/2006 |
Q: My question is about travelling at the speed of light. If I could travel exact at the speed of ...
A: My question is about traveling at the speed of light. If I could travel exact at the speed of light, ...
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| Black holes | 10/2/2006 |
Q: i'm absolutely curious about this. Are black holes really black?
A: Black holes only seem to be black since they draw in all surrounding light near their location. ...
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| light | 9/25/2006 |
Q: I am 7. My question is: what is light?
A: Light is simply a stream of photons. Photons have a wave and particle component in the way they ...
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| What is the highest point the rocket reaches? | 9/21/2006 |
Q: I'm having trouble trying to figure out this question....can you help me..... A rocket is fired ...
A: You just need to use the common rocket apogee formula. Plug in your data and get your result! Check ...
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| Ellipsoid lens' refraction | 9/19/2006 |
Q: An Ellipsoid Surface for a lens considered, ellipse:(xCenter, yCenter, width, heght) what formula ...
A: One of the few web sites I could find which addresses this subject is: ...
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| magnetism | 9/11/2006 |
Q: but i can not achieve to my need so i describe that for you more how can i make monotonous magnetic ...
A: I'll try to help you some more! 1:How can I make big monotonous magnetic field for stability? A. I ...
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| the difference between two electromagnets | 9/7/2006 |
Q: I have a question that I have been stuck on for ages: What is the difference between two ...
A: I have a question that I have been stuck on for ages: What is the difference between two ...
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| magnetism | 9/6/2006 |
Q: how can i make monotonous magnetic field in specifided and wide area with same strength with ...
A: First review: http://flux.aps.org/meetings/YR00/MAR00/abs/S1040008.html You can do this monotonous ...
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| Surface Bounce | 9/3/2006 |
Q: Why does a ball bounce higher on a compact surface than on a less compact surface?
A: This is an extract from the web... Bouncing the Ball: "The more air pressure a basketball has ...
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| Speed of light | 8/23/2006 |
Q: Ok I am a in college and I am studding electronics and love to study physics. I forget where or why ...
A: You are correct, the balls would in effect transmit their energy at a rate higher than the speed of ...
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| 99 channels | 8/18/2006 |
Q: why the remote controller(of a TV) have only 99 channels,which can be accessed. Is there a law that ...
A: The way channels are allocated (and given rights to) has more to do with money and politics for each ...
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| Freezing Bottled Water | 8/14/2006 |
Q: I am 63 years old and was told that freezing plastic bottles of water that are un-opened that the ...
A: There are some compounds in plastic water bottles which are cancer causing if one is exposed. This ...
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| electronics | 7/25/2006 |
Q: I'm going to Audi Technic cup (I'm 40 but I don't speak english very well so please keep it simple) ...
A: This topic can get a bit complex. Note: You did not mention if your car battery will be recharged ...
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| Physics | 7/20/2006 |
Q: How much voltage is required for a spark to jump 0.80 cm across the air?
A: The following 2 websites will answer this question. Please review: 1. ...
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| Microwave ovens | 6/20/2006 |
Q: I am 78, and my level of scientific knowledge is minimal, such that I cannot even tell if I have ...
A: It is safe to place magnets on the outside of your microwave oven. The magnets used in the ...
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| airships | 6/9/2006 |
Q: Please, can you provide me with any information on the physics behind airships (such as blimps). ...
A: I am happy to help! Here are some common web extracts... Blimps, or airships, operate on similar ...
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| paradox | 6/4/2006 |
Q: The increasing brightness of the bulb is an indication that the temperature of the bulb filament ...
A: The increasing brightness of the bulb is an indication that the temperature of the bulb filament ...
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| MRIs | 5/28/2006 |
Q: I am 17 and in Year 11 doing Unit 1 Physics. My question is.. Why are MRIs so expensive?
A: I know MRI's are very expensive and the main reasons are the staffing/operator pay and equipment ...
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| Physics | 5/28/2006 |
Q: If the tank length is 36 cm . and 9 complete waves cover this tank .What will be the velocity of ...
A: I think I know what you are looking for regarding wave velocity, please review the following two ...
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| Electricity from pressure pads | 5/24/2006 |
Q: I am definitely over 18 and took a physics 'A' level in the dim and distant past. I'm not sure if ...
A: This info was a bit hard to find, I agree! I think you are looking for one of the following ...
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| new machine | 5/21/2006 |
Q: My name is Kamil Hazim Gonzalez, I’m a doctor in medicine, gynecologists and obstetrical matter, I ...
A: Gonzales: Here is a list of some contacts that may be interested in your idea for such a device or ...
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| Is it possible the use the results of the Quantum Biology ? | 5/19/2006 |
Q: I found a differernt page at http://www.lifetechnology.org/hyperdimensional.htm It is about the ...
A: I do know of a device which shows a bit more promise in affecting organic living entities! I would ...
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| assesing and evaluating waves | 5/16/2006 |
Q: Consider a device or devices and explain how Heat, Light, Sound and Electricity is used in the ...
A: These two sites should help you understand how they work: Visit: 1. ...
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| Describing waves | 5/15/2006 |
Q: Can you please give an good anwer to the following question please: Can you describe how Heat, ...
A: Here are some websites to review in order to increase your understanding of this subject. Review: ...
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| electrostaic force v. gravitational force | 5/14/2006 |
Q: Two protons are located one meter apart. Compared to the gravitational force of attraction between ...
A: The answer is 1. Particles of like charge repel each other..like electrons (-) and protons(+). ...
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| Orgone Energy | 5/10/2006 |
Q: Here is a thought to ponder: I have been researching Orgone energy, harnessing and properties and ...
A: Here are my views on this topic: Here is a thought to ponder: I have been researching Orgone ...
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| hydrophysics | 4/26/2006 |
Q: I'm still a 'student' at 70 years of age. Expect to be one until my expiration date arrives. ...
A: Note: This question set is not really my specialty, I deal in thin-film physics mainly. ...
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| Wind resistance and running | 4/23/2006 |
Q: I have a practical question. Yesterday, I ran in a race. I was running at a 9:00 min/mile pace ...
A: resistance of the wind while running into a headwind. Jogging or running at 5 mph into a 15 mph ...
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| circuits and resistance | 4/17/2006 |
Q: I hope I'm finding you in the best of health. [I am 16 by the way] How does resistance affect a ...
A: Here are some basic answers! How does resistance affect a circuit? A. A higher total circuit ...
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| How to detect very high frequency EM waves ? | 4/10/2006 |
Q: there is the rest of the analysis of your answer : 5- For the question : “In some extraordinary ...
A: Here is some more information... 5- For the question : “In some extraordinary experiments (The ...
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| EMF | 4/9/2006 |
Q: I live close to High Tension Lines. Have recorded mG to 22 in house. Are you acquainted with Biopro ...
A: A. I am not sure if the Biopro Home Harmonize works. It is hard to cancel 60 Hertz AC waves at the ...
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| How to detect the EM Standing waves ? | 4/5/2006 |
Q: here is the rest of my questions : 4- For the question : “Is there a border in the EM spectrum for ...
A: Here are the rest of the answers, in my opinion! 4- For the question : “Is there a border in the EM ...
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| Is it possible to Activate the Mind with Neurofeeback (NFB) Machines on to Super Levels ? | 3/31/2006 |
Q: A mind machine uses light and sound to alter the brainwave frequency of the user. The process is ...
A: Here are my answers and views: 1- By using mind machines for long periods, is it possible to ...
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| Is there an Upper limit for the EM waves in the Universe? | 3/29/2006 |
Q: The electromagnetic spectrum extends from frequencies used in the electric power grid to gamma ...
A: Here are some answers for you! Note: There are no upper limits to the range of EM frequencies! The ...
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| egg drop | 3/28/2006 |
Q: How shock absorbers would factor into the egg drop experiment?
A: For the egg-drop experiment, you are looking for a material which has a low "rebound" factor. This ...
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| How to convert Aether (magnetic) into electricity ? | 3/22/2006 |
Q: My question would be, were you able to find a method which is able to turn the energy of the aether ...
A: Here are some views of mine: My question would be, were you able to find a method which is able to ...
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| about charges | 3/16/2006 |
Q: i am 17 years old and am studying O/A level's physics. here's a question that i do not know how to ...
A: Remember I never answer homework questions directly, but here is some help for you... First be ...
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| fire | 3/12/2006 |
Q: I am 50. How would a flame appear in zero gravity? If I set fire to a piece of wood, would the flame ...
A: I had a nice long answer ready for you... and then my computer crashed! So, for now, simply visit ...
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| Properties of matter | 3/11/2006 |
Q: Is surface tension a vector or a scalar quantity?
A: read the following: "Force is a vector quantity, possessing both magnitude and direction; its SI ...
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| mechanics | 3/9/2006 |
Q: I have a son who is in high school who needs some help in mechanics,and I'm really not good in this ...
A: I normally do not do homework questions, but I noticed a few errors with your sons answers. Here ...
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| Introduction into the Time Travel Experiments. | 3/8/2006 |
Q: we had a discussion in August about the page :www.futurehorizons.net/time.htm, during our discussion ...
A: Every chapter is intresting, but I will need your guidance. Which plan do you advice me to build at ...
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| UFO's | 3/6/2006 |
Q: I hope that you can appreciate right now I'm up late thinking about this subject! I have some ...
A: -------------------------- I hope that you can appreciate right now I'm up late thinking about ...
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| Gyroscope | 3/5/2006 |
Q: I want to get hold to information aboout gyroscopes, what type of gyroscopes are being used and ...
A: The following websites should provide the basic information you need for now. Review: 1. ...
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| EGG_DROP | 3/2/2006 |
Q: I am 18- My senior honors physics class is starting the famous "egg drop" experiment, and our ...
A: You have a lot of constraints in this experiment! I would recommend using the straws as a ...
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| How to build an Hyperspace Amplifier ? | 2/27/2006 |
Q: At the page that you give : http://100777.com/node/278 Moray radiant energy was described, however ...
A: Here are some good resources for you: Q. Can you send me diagrams about... 1- Hyperdimensional ...
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| force/motion | 2/26/2006 |
Q: Why does a ball roll farther on dirt than grass? I am 11 years old. This is for my science fair ...
A: This is a tricky question, so review the following website for a full answer: Look for grass vs ...
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| How to produce electricity bu using Pyramid shaped Antennas ? | 2/22/2006 |
Q: In the book “The Giza Death Star”, written by Joseph P. Farrell, he uses scientific evidence to lead ...
A: I know some ways of harnessing "free-energy" other than these pyramid shaped antennas! Here are ...
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| Microwaves | 2/21/2006 |
Q: Age: 32 What types of metal are allowed in the microwave oven and why? What are microwave ...
A: All kinds of metals are allowed in a microwave oven! This is what the walls of the oven are made ...
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| physics | 2/20/2006 |
Q: This 4th grade student is doing an independent study project that requires an interview with someone ...
A: The following answers are my views alone... 1. Why or how did you become interested in this topic? ...
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| Gravity | 2/19/2006 |
Q: How can relativity be correct about gravity when every action has an equal and opposite reaction? ...
A: Re: How can relativity be correct about gravity when every action has an equal and opposite ...
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| science physics | 2/14/2006 |
Q: I need to construct a lunch box with materials from around the house. The thing is it must have ...
A: To keep things hot or cold one must use a material with low thermal conductivity! Try using: 1. ...
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| Different fields | 2/13/2006 |
Q: I would like to know how may type of fields are present on earth surface and do they work in ...
A: There are many fields which are present on the surface of the Earth. These include... 1. Sound ...
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| Energy and Momentum | 2/9/2006 |
Q: Two trains with indentical mass travel toward each other on the same track. If one train has a ...
A: Remember I do not answer homework questions directly! The following website will provide you with ...
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| LCD | 2/6/2006 |
Q: give an example of application for normally dark and normally light modes in liquid crystal cell
A: Here is a good paper to review regarding this topic of liquid crystal display modes... Review: ...
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| modern physics | 2/5/2006 |
Q: i hava table with some data with the atomic masses of radium 224 radium 223 francium 223 Rn220 a ...
A: Radium 224! Remember that I know more about plasma physics than atomic level physics! Here are ...
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| physics | 2/2/2006 |
Q: why is according 2 law of gravity the force between any two objects is inversely proportional to the ...
A: The main reason gravity as a force is expressed this way is because it has a long range of ...
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| mechanics | 1/31/2006 |
Q: a stone falls from a ledge and takes 8 seconds to hit the ground. The stone has an origional ...
A: Note: The current set of teachers in our society ask the same questions all the time! Here is your ...
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| Electric current and ohm's law | 1/29/2006 |
Q: PLEASE ANSWER THIS QUESTION AS FAST AS YOU CAN PLZ ...
A: The following website will provide you with the calculations you need for this problem, just plug in ...
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| Science project | 1/12/2006 |
Q: I have decided that I want to do a science fair project concerning physics. Most importantly I would ...
A: Here are some good websites providing an overview of physics-based science fair projects: Review: ...
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| do you happened to know levers... | 1/8/2006 |
Q: ...at least half as I do? http://dedanoe.tripod.com/nukebook thank you for your time!
A: I guess I know a bit about this topic, please review the following websites: 1. ...
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| physics | 1/6/2006 |
Q: what is the lastest defination of metre what is the primary standard of one kilogram mass how has ...
A: Here are the nasty but true definitions. What is the latest definition of meter A. A meter is the ...
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| Reforming Petrol/Diffraction of waves | 1/5/2006 |
Q: I am studying Chemistry and Physics for Scottish Highers... It is stated in many Chemistry books ...
A: Q. It is stated in many Chemistry books that a straight chain alkaline is very volatile and if used ...
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| Physics-Energy | 1/4/2006 |
Q: I am having a hard time understanding how to get the answer to this problem: "A model car takes 2 ...
A: You are not far off with [Work= m(a*s] but also consider the following websites... 1. ...
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| New Forms of Chemical and Physical Energy | 1/3/2006 |
Q: Besides: Hello. Besides: (para- and ortho-) positronium nucleonium electronium neutronium ...
A: I know you have asked this same question on other fourms, but here are some more resources to ...
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| Resistance of a thermistor | 12/26/2005 |
Q: How do I measure the resistance of a thermistor which varies in range from 0-100 C. Describe in ...
A: This topic is not too difficult to master. Please review the next two websites for some answers on ...
|
| Punching Velocity | 12/20/2005 |
Q: i read an article about the max velocity moment of a punch...I recall it stating that it is about ...
A: The physics of boxing?! I know more about Kung Fu, but here are some web based boxing resources ...
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| Science | 12/14/2005 |
Q: I have a science fair project that I have to do. I am also a figure skater. I was wondering if you ...
A: I think I can offer some help... The following two websites describe the physics related to this ...
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| solid electronics | 12/13/2005 |
Q: why the silicon is used mostly than germanium for electronic devices? what are the advantages of ...
A: The reason silicon is used over germanium based devices is mainly the cost factor. Germanium offers ...
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| shm | 12/5/2005 |
Q: if a mass on a spring oscilates with shm motion why are there two values for the maximum velocity ...
A: There is that "shm motion" phrase which I am not that sure about? You can resend your question if ...
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| love Physics | 12/1/2005 |
Q: how can love Physics and how can link Physics in life
A: Physics links all things from the atom to everyday reactions between two objects. It is fun to learn ...
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| Fiber Optics - What is Numerical Aperture? | 11/30/2005 |
Q: I'm a total beginner to fiber optics. I'm using a strand of plastic fiber optic to channel light ...
A: Here are two websites which address this "Numerical Aperture" issue regarding fiber-optics: Review: ...
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| Rotational motion | 11/29/2005 |
Q: Is there any way you can do this in one hour? Obviously I have the answers but I need to solve them ...
A: Note that I truly do not have the time to answer homework questions. However the following resources ...
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| mechanics- physical science | 11/28/2005 |
Q: A stone falls from a ledge and takes 8 seconds to hit the ground. The stone has an original velocity ...
A: Remember that I do not answer homework questions. You will find some ways to solve these physics ...
|
| density | 11/10/2005 |
Q: Oil having a density of 929 kg/m3 floats on water. A rectangular block of wood 3.70 cm high and with ...
A: I would love to answer it, but this forum does not transfer math experssions very well, even the ...
|
| Physics? | 11/9/2005 |
Q: I'm trying to help my son. He seems to understand the concept with this. I have no understanding of ...
A: I never answer homework questions myself, but I am happy to guide you to some helpful websites! ...
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| physics | 11/9/2005 |
Q: please answer this question quickly as u can plz ------------------------------------------------- ...
A: Water at a density of 1000 is typical of how things are measured. Water is used as a common starting ...
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| egg drop | 11/7/2005 |
Q: what physics got to do with an egg drop
A: The egg drop experiment has to do with physics in the following manner: 1. The G forces exerted on ...
|
| Did man really land on the moon? | 11/4/2005 |
Q: Conspiracy theorists say it's not possible... did man really land on the moon?
A: Yes, we did land on the Moon ... it was not easy, I agree! For example: We use the laser ...
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| physics | 11/3/2005 |
Q: how do anti g suits protect astronauts from g forces
A: G-suits work by keeping the blood supply to the brain at a sufficient level to maintain ...
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| Physics problem | 11/1/2005 |
Q: I am a junior in college. We have a physics problem that I can't work out. Can you help? The problem ...
A: Q:The problem is: a bunch of kids are having a swing contest. The pivot of the swing is 4 m above ...
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| Egg Drop | 10/18/2005 |
Q: What are some shock-absorbent materials?
A: First review: http://classroom.all-science-fair-projects.com/forum/archive/index.php/t-133.html I ...
|
| Light | 10/12/2005 |
Q: If sunlight were green instead of white, what would be the most comfotable color to wear on a a cold ...
A: I know what you are thinking, that the opposite side of the reflective color wheel spectrum would be ...
|
| question | 10/7/2005 |
Q: My question isn't under your speciality, so if you don't want to answer feel free not to. I'd like ...
A: And yes, this question is within my area of knowledge. The answer... Skydivers jump from planes ...
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| phyisics | 10/6/2005 |
Q: i am 11 in the seventh grade and i want to know does temperature have an effect on how high a ball ...
A: Yes, a ball will bounce (rebound) a bit more or higher with an increase in ambient temperature. This ...
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| What is time? Not the hours or minutes but "time" | 9/29/2005 |
Q: I am in college and I have been trying to locate websites to help with this answer for my Physical ...
A: Here are some references to the "time" topic: First, my definition: 1. Time is that which ...
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| physics | 9/28/2005 |
Q: A ball is thrown straight upward and rises to a maximum height of 21 m above its launch point. At ...
A: The following website explains this sort of problem fully. Remember, we are dealing with projectile ...
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| velocity vs. acceleration | 9/22/2005 |
Q: I hope I'm finding you in the best of health. I have great difficulty answering velocity and ...
A: I hope I'm finding you in the best of health. Hi Jeff, I am doing just fine, thanks! I have great ...
|
| opposite to microwave | 9/21/2005 |
Q: Could there be an opposite to microwave oven-i.e.to make the air/things cold instantly? if yes- how, ...
A: A. Microwaves heat food by emitting a frequency near the resonance of the water molecule. This ...
|
| Electric Power and Circuit | 9/20/2005 |
Q: The site - www.allaboutcircuits.com/vol_1/chpt_5/3.html which you had referred to quotes - "An ...
A: I will try to make things simple for you! Note: Regarding your first question, A bulb of lower ...
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| Electric Power and Circuit | 9/19/2005 |
Q: i'm 15 yrs old , Well there was aTwo bulbs rated 100W, 120V and 10W, 120V respectively are ...
A: I would have answered yesterday but was busy with hurricane preparations! Well, there was aTwo ...
|
| astronomy | 9/7/2005 |
Q: do ufo's really exist plz explain in detail im 16 years of age
A: I have done quite a bit of research on the topic of UFO's over the past 35 years and I must tell you ...
|
| Adding two signals? | 9/6/2005 |
Q: Hey Spaceman, When we draw block diagrams of system we tend to make a circle and put a '+' sign in ...
A: I can only provide some website references as I have been out of the circuit design loop for 7 years ...
|
| My science fair project on the durability/leakage of paper | 9/1/2005 |
Q: I'm 15 years old and I was wondering If you will be able to assist me on developing a catchy title ...
A: Here are some suggestions for you... I'm 15 years old and I was wondering If you will be able to ...
|
| Hydrogen fuel cars | 8/31/2005 |
Q: I want to ask you a question about hydrogen as fuel for cars. I know that a lot of people are saying ...
A: Hello My name is Ilija I'm 25 years old. I want to ask you a question about hydrogen as fuel for ...
|
| levitation | 8/24/2005 |
Q: Has there ever been scientific (sceptical) research of human levitation in buddhist societies? A ...
A: Sorry for my late answer, we just got our power back here in South Florida due to the hurricane. ...
|
| Through how thick matter x-rays... | 8/22/2005 |
Q: Through how thick matter x-rays can pass (it is clear, that it pass less through the harder matters ...
A: Through how thick matter x-rays can pass (it is clear, that it pass less through the harder matters ...
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| physics | 8/14/2005 |
Q: A square piece of each side 'a'units long is heated from 0 degree centegrade to t degree ...
A: I rely on math software for such problems. I can provide you with some online web based resources to ...
|
| Antennas or what? | 8/12/2005 |
Q: A few days back I was watching a documentary on NGC about Mars Rovers...I just can't put this thing ...
A: A few days back I was watching a documentary on NGC about Mars Rovers...I just can't put this thing ...
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| physics | 8/10/2005 |
Q: What gases or combination of gases display magnetostrictive charactistics?
A: .. I have not heard much about gases that have these properties! Read more on what I could find on ...
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| Ram Implosion Wing and Quantum Gravitics | 8/9/2005 |
Q: I know that you have never let me down before, and you seem to be willing to answer even the ...
A: This wing concept of his does hold some promise as far as I can determine! I have only read a few ...
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| physics | 7/28/2005 |
Q: if an object has a mass of 20kg ,what is force of gravity acting on it each 1.196 n 2.2.04kg ...
A: I normally do not answer math questions, but I am happy to help you this time. Note: Your question ...
|
| astronomy | 7/23/2005 |
Q: can time travel backwards if earth changes its direction of rotation?
A: I am one of those few who think that time travel,in general, is not possible. You can go back one ...
|
| floating | 7/13/2005 |
Q: I put a cherry in a cup of seltzer. The cherry went to the bottom, a few seconds later it floated to ...
A: A cherry is close to being neutral in bouyancy. When it first encounters the seltzer water, it is a ...
|
| Bulletproof vests | 7/12/2005 |
Q: I was researching bulletproof vests and most of them are made from steel or kevlar but they only ...
A: I was researching bulletproof vests and most of them are made from steel or kevlar but they only ...
|
| Filtration | 7/6/2005 |
Q: What is the difference between ultrafiltration and microfiltration? Thank you. Usman Zafar Paracha.
A: The following web extract will explain the difference between these two filtration methods. ...
|
| rotating cylinders | 6/21/2005 |
Q: age: 23 physics minded Hello I have a question that no one seems to be able to answer. 2 ...
A: -------------------- I am not much of a math whiz, but I would be happy to provide my version of an ...
|
| boiling water | 6/20/2005 |
Q: and thank you for your quick and very interesting answer! Can you emphasize a little bit more about ...
A: ------------- Some more info Sam: Can you emphasize a little bit more about the dissolved gases ...
|
| boiling water | 6/19/2005 |
Q: I'm 26. I'd like to know, what exactly happens, physically speaking, when water is being boiled. ...
A: I'd like to know, what exactly happens, physically speaking, when water is being boiled. A. It ...
|
| electronic | 6/14/2005 |
Q: i'm about 11-12 years old why do the bulbs in a parallel circuit still stay on, even though a bulb ...
A: Q. Why do the bulbs in a parallel circuit still stay on, even though a bulb has been broken? Not ...
|
| electicity | 6/13/2005 |
Q: Q1 why is electicity sent at high voltage Q2 what is the national grid and who runs it
A: Q1 why is electricity sent at high voltage? A. To avoid resistance losses over long distances. This ...
|
| what advice did niels bohr... | 6/10/2005 |
Q: what advice did niels bohr give to the United States government after the first atomic bomb test in ...
A: Here are some web extracts on what Mr. Bohr's views were at the time... "Two Western atomic ...
|
| same old things... | 6/9/2005 |
Q: Well I am back with the same question Spaceman. I wish you could help me out. I cannot still figure ...
A: I want you to review the following websites and (if necessary) tell them what you are trying to ...
|
| gravitational acceleration | 6/5/2005 |
Q: I want to know how I can figure out the estimated speed of a diver when he hits the water, when you ...
A: Q. I want to know how I can figure out the estimated speed of a diver when he hits the water, when ...
|
| sound | 5/29/2005 |
Q: I'm 25 yrs. and my problem is this: I have neihbour, that plays very loud music every day and night, ...
A: For revenge purposes, a simple cassette recorder with a microphone can be used to record this loud ...
|
| Capacitance Frequency and Voltage | 5/23/2005 |
Q: Hey Spaceman! I have a feeling I am getting over my head here! I have been doing a lot of research ...
A: Some more info... I have a feeling I am getting over my head here! I have been doing a lot of ...
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| Lightning | 5/19/2005 |
Q: Hey there, I am 22 years old, and have always been interested in alternative energy sources. I would ...
A: Q. Hey there, I am 22 years old, and have always been interested in alternative energy sources. A. ...
|
| again FM Transmitters | 5/11/2005 |
Q: Hey there, Actually I want to transmit a binary code and receive it through FM transmitter, the ...
A: I know this is a tough topic. Sorry for any misunderstandings! Here are some basic web resources to ...
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| Signal strenght | 5/10/2005 |
Q: I watched a TV pgm about the first laying of the atlantic telegraphic cable in 1867 or thereabouts. ...
A: Q.I watched a TV pgm about the first laying of the atlantic telegraphic cable in 1867 or ...
|
| variation of electrical resistance of a house brick with temperature | 5/4/2005 |
Q: i am 17 years old student from lancing. i would like to ask a question about setting up an ...
A: There are two meanings for the term "brick" which may be the cause of some misunderstanding. And, I ...
|
| a question | 5/3/2005 |
Q: You say that gravity is a complex electro-magnetic wave . Why does gravity alone (all other e.m. ...
A: Yes, gravity acts a bit different from any other EM wave-sets. Gravity waves interact directly ...
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| FM Transmitters... | 4/22/2005 |
Q: Hey there, I want to transmit a simple binar code and want to recieve it on the reciever by making ...
A: This is something that I am used to doing with true digital modulation techniques! You may find ...
|
| what are the energy transfers... | 4/21/2005 |
Q: what are the energy transfers and transformations involved in GPS or anything about wave motions
A: Wow ... what a complex subject you chose! The following links will provide you with some good ...
|
| ether | 4/19/2005 |
Q: I found many science papers about ether. Could you please explain if this ether really exist, and, ...
A: Ether is generally used as a term to define lesser known energy forms, fields or mediums. I do that ...
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| ether | 4/18/2005 |
Q: Glad you're back. Here's a question : i see a lot of serious science papers about the "ETHER"; ...
A: I regard the ether as the medium in which energy can be transferred faster than the velocity C. ...
|
| shock waves | 4/17/2005 |
Q: I became interested in shock waves after seeing a picture of an F-14 creating some kind of cloudform ...
A: Regading F-14 supersonic effects, review: http://www.wilk4.com/misc/soundbreak.htm Note that you can ...
|
| technology | 4/14/2005 |
Q: It was most helpful.But i still have some questions. If "somebody" does have such an advanced ...
A: It was most helpful. But I still have some questions. A. Sure! If "somebody" does have such an ...
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| gravity | 4/12/2005 |
Q: If gravity is an electro-magnetic wave at the infrared part of the spectrum then it should be quite ...
A: I know this topic seems confusing to many and it is because we cannot provide the actual mechanics ...
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| old resistor is vintage amplifier | 4/10/2005 |
Q: Just to check: I would read the resistor RED, BLACK, RED, BLACK 202ohms (black signifying no ...
A: Yes, your values seem quite correct. Back when I was learning resistor codes (1969), we even had the ...
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| old resistor is vintage amplifier | 4/7/2005 |
Q: I am repairing a Vacuum tube record player made in 1962 by HMV. I need some help indentifying and ...
A: Note that I could state what I think the older resistors color bands are telling you, but perhaps it ...
|
| Sun force | 3/30/2005 |
Q: A force that the Sun make to the Earth is very more than the force that the Moon make to the Earth, ...
A: I think the following websites will resolve this common question for you! Please review: 1. ...
|
| asteroids | 3/27/2005 |
Q: age, 17: If you fire a gun in space, will you travel the same speed in the opposite direction?
A: If you fire a gun in space, you will be driven backwards with the same "force" as the bullet is ...
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| Units??? | 3/23/2005 |
Q: What is [ppm/degree C]? I came across this while searching for the CTE value of a PC board. CTE is ...
A: Here are some quick answers for you... PPM: Abbreviation for “parts per million,” sometimes used to ...
|
| capacitors | 3/22/2005 |
Q: i got a question that says define the farad , the unit of capacitance . explain the commonly used ...
A: The farad is not that unusual a term but is indeed a high value for a capacitor. The following ...
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| physics | 3/21/2005 |
Q: A machine is supplied at a rate of 4,000 W and does useful work at a rate of 3,760 W. What is the ...
A: A very common question you pose. The following two websites will provide you with the means to ...
|
| thermal properties of inert gases | 3/17/2005 |
Q: I was speaking with a window saleman earlier today. We were talking about the insulating values of ...
A: You may well know just as much on this topic as me. Review the following two websites for some info ...
|
| dust in houses | 3/15/2005 |
Q: This may sound far fetched, but I'm trying to figure out if dut in houses in made up of particles of ...
A: Yes, human skin particles are indeed a part of the overall composition of dust in the air. The ...
|
| Ultraviolet bulbs | 3/14/2005 |
Q: i was wondering,if possible if you could tell me what size of UV bulb is needed to to produce an ...
A: For the amount of mw/cm2 power you need...it depends on the distance to the target from the source. ...
|
| negative mass propulsion | 3/11/2005 |
Q: I am aware that gravity is the result of a spacetime curvature induced by an object's mass. My ...
A: Q. I am aware that gravity is the result of a space-time curvature induced by an object's mass. My ...
|
| Powerline Communication | 3/8/2005 |
Q: I keep on buzzing you with all these strange things I come across, I hope you don't mind all that ...
A: Please review these basic websites and then let me know if you have a need for any additional ...
|
| 3 way refrigerator | 3/7/2005 |
Q: I am 75 years old, & have a small motorhome with a Norcold refrigerator (age, 3.5 yrs.) that cools ...
A: Yikes, I am not the best expert regarding refrigerators! Please call Norcold toll-free at (800) ...
|
| anti-gravity machine | 3/6/2005 |
Q: could a centrifuge loop work to fight the effects of gravity, or would the weight of the machine ...
A: Yes, a centrifuge can be "rectified" in order to provide a propulsive force in a specific direction. ...
|
| Energy storage in capacitors | 3/3/2005 |
Q: After experimenting with energy storage in PARALLEL PLATE CAPCITORS (with air as a dielectric then ...
A: Yes Sahan, it is possible to store this value of Joules with an air-gap capacitor, but it would be ...
|
| Kinetic Energy | 3/2/2005 |
Q: I am no Einstein, but (/ and indeed) I seem to be having a problem with the definition of kinetic ...
A: Great question... You are correct in listing the problems which occur with the common acceleration ...
|
| Cathode ray tube Television | 3/1/2005 |
Q: I have researched a lot on cathode ray tube televisions and now I understand fully how they work, ...
A: The reason early screens were curved was due to the difficulty in making a true flat-screen. The ...
|
| diffusion | 2/27/2005 |
Q: I am 11 years old and need to know for my science project in creating an abstract - who discovered ...
A: Regarding the science of diffusion, please review the following websites for some basic answers: 1. ...
|
| light speed - foucault | 2/21/2005 |
Q: In the name of Allah,the Rahman,the Rahim Salam I want to know how Foucault caculated the light ...
A: Here are some basics followed by a detailed description of how he performed this experiment via a ...
|
| Battery Arrangements | 2/14/2005 |
Q: When cells are arranged in a parallel arrangement, the voltage is the same, and the current adds up. ...
A: Here are some basic answers... When cells are arranged in a parallel arrangement, the voltage is ...
|
| electrical spark phenomena | 2/10/2005 |
Q: There are several electrical spark phenomena; lightning, electric arc light (also called klieg ...
A: Q: There are several electrical spark phenomena; lightning, electric arc light (also called klieg ...
|
| Fan Regulators? | 2/8/2005 |
Q: I have a ceiling fan here in my room, a few days back its capacitor was having some trouble, so the ...
A: It sounds as if the new capacitor was installed improperly! Read: Ceiling fans... While the ...
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| sorry but that was the wrong... | 2/6/2005 |
Q: sorry but that was the wrong email addressi typed by accident could u send the answer again plz A ...
A: Here is some help: A circuit was set up to investigate the current through a 15 ohm resistor with ...
|
| circuits | 2/5/2005 |
Q: A circuit was set up to investigate the current through a 15 ohm resistor with applied pd .a 6 volt ...
A: Here is some help: A circuit was set up to investigate the current through a 15 ohm resistor with ...
|
| Building electromagnet with strong attraction | 2/2/2005 |
Q: I am a highschool student interested in building an electromagnet that can attract as heavy the ...
A: Please review the following websites for some good info on this topic: First visit: ...
|
| rotation sensor | 1/27/2005 |
Q: i have to describe what a rotation sensor is and what a common use for it would be. can you help ...
A: A good description of what a rotation sensor is can be viewed at the following website: ...
|
| speed of falling objects | 1/26/2005 |
Q: i am 12 years old. do objects of different size,shape,or weight fall at the same, or different ...
A: Do objects of different size,shape,or weight fall at the same, or different speeds? Yes, objects ...
|
| hi | 1/20/2005 |
Q: THANK YOU VERY MUCH.I THINK YOU KNOW THAT I AM A LEVL STUDENT SO PLEASE SEND ME SOME SITES OF A ...
A: Here are some websites which will help you in the future: 1. http://www.refdesk.com/homework.html ...
|
| Physics | 1/19/2005 |
Q: If gravity suddenly ended, at what velocity would a person on the equator be propelled into space?
A: If gravity on Earth were suddenly gone, we would accelerate upward at the velocity of the vector of ...
|
| satellite | 1/13/2005 |
Q: what do you understand by the intensity of gravity and the gravitational potential at a point in the ...
A: Here are some great resources. I think you will need to review the following websites, they will ...
|
| satellite | 1/12/2005 |
Q: WHY THE SATELLITE IS PLACED JUST ABOVE THE EQUATOR?AND WHY SATELLITE MOVES IN THE CIRCULAR ORBIT ...
A: WHY THE SATELLITE IS PLACED JUST ABOVE THE EQUATOR? A. Because they get the best communication ...
|
| Cellphones. | 1/5/2005 |
Q: I have this Data Structures course project of "Cellphone Network Simulator". I needed the some ...
A: Please review the following websites for all the basics on this topic: 1. ...
|
| different designs | 1/4/2005 |
Q: How does the different design of a trebuchet or throwing mechanism affect the distance of an object ...
A: The main goal for this kind of device is to impart the maximun velocity in the object to be thrown. ...
|
| Physics | 1/3/2005 |
Q: 8th Grade...How much does mass effect the momentum of an object in motion?
A: Here are some of the basics on this topic... 1.Momentum depends upon the variables mass and ...
|
| Chemistry | 1/2/2005 |
Q: 17 years old... 1) Name the compound N2O5 using the Stock System 2) Name the compound PBr5 using ...
A: I hope they are not for any homework! 1) Name the compound N2O5 using the Stock System A. Nitric ...
|
| Charge of insulator | 12/28/2004 |
Q: Can a insulator be charged?
A: An insulator will usually only separate charges held by conductors on their surface. The insulator ...
|
| charge | 12/27/2004 |
Q: Is there any difference between a charged object and electrically charged object?
A: There is no great difference between these two terms. Usually a charged object refers to a high ...
|
| Electricity | 12/16/2004 |
Q: I am Aravind Kannan, you may remember me. I am a Freshman at Cedar Park High School in Cedar Park, ...
A: 1. How do you connect copper wire to a 1.5 volt battery and get 1.5 volts of electricity flowing ...
|
| Hydrogen Experiment | 12/15/2004 |
Q: Well im sitting at home very board lol so im playing around with electrosis of water, and making ...
A: I have not done this sort of experiment for over 25 years! Look into the following two websites for ...
|
| Atomic Bomb, Development of | 12/14/2004 |
Q: I need some background info for a History class project. Can you let me know the following, please? ...
A: Here are some resources which will help answer your following questions... How was the Atomic Bomb ...
|
| Electromechanical dc motor question | 12/11/2004 |
Q: When operating from a 230 V dc supply, a dc series motor operates at 900 rounds per minute with a ...
A: The following website will provide you with the calculations necessary to answer your question. Cut ...
|
| space | 12/9/2004 |
Q: why is earth spherical in shape?
A: The Earth is mainly round because of the uniform way gravity attracts matter towards a common ...
|
| gravity vs. magnetics vs. power | 12/8/2004 |
Q: Ok, I perused the websites, and it sounds like a dream. I heard that technology like this was ...
A: Re: OK, I perused the websites, and it sounds like a dream. I heard that technology like this was ...
|
| gravity vs. magnetics vs. power | 12/5/2004 |
Q: I wanted to flesh out some ideas on theoretical power sources involving the earth's magnetic ...
A: I think I can help! Review the following websites on harnessing energy from the Earth's magnetic ...
|
| Carbon | 12/4/2004 |
Q: What does the unit K for measuring the boiling and melting point stands for? Who discovered carbon? ...
A: Here are some answers for you... What does the unit K for measuring the boiling and melting point ...
|
| 1)why cable TV is preferred... | 12/3/2004 |
Q: 1)why cable TV is preferred these days? 2)what is the main difference between teleephone and mobile ...
A: Here are some answers... )why cable TV is preferred these days? A. Because it allows more choices ...
|
| A comet that passed between... | 11/30/2004 |
Q: A comet that passed between the Earth and sun is observed to reach a distance from the sun of 100 ...
A: Sorry for my short answer as I am "In the Weeds" today with other questions! I think you will find ...
|
| physics | 11/28/2004 |
Q: I am 50 and teaching physics for the first time since I took it in college to high school students ...
A: This is a trick question as a balance beam scale would read zero with the weights on each end. A ...
|
| Physics Help | 11/24/2004 |
Q: First of all let me say this is NOT an homework assignment. I have been out of school for quite ...
A: Note that I normally deal with math relating to the field of electronics. Anyway, please review the ...
|
| magnetism | 11/22/2004 |
Q: I am working on a science fair project (middle school level), and I need to interview an expert. I ...
A: Here are some answers for you...and thanks for your questions! I am working on a science fair ...
|
| chemistry | 11/19/2004 |
Q: which of the following is represented in the highest percentage by volume in dry air? a. oxygen b. ...
A: Your answer is: B: Nitrogen, it has the highest volume in dry air. Note: Dry or humid air does not ...
|
| All these questions pertain... | 11/17/2004 |
Q: All these questions pertain to the "Ultra-Simple Electric Generator" project. Link here: ...
A: Here are some websites to review in order to help your son understand these topics: Review: 1. ...
|
| physics | 11/15/2004 |
Q: Why does my voice sound different on a tape recording?
A: The reason you voice sounds different on a recording is that the sound you hear by yourself is ...
|
| Inductance in a coil | 11/12/2004 |
Q: I am 19 years old, and I am having difficulty with a textbook problem(Giancoli Ch 30 problem 50 just ...
A: Review these next websites in order to check your math. Site #2 will give some simple plug-in ...
|
| Physicist | 11/10/2004 |
Q: My name is Aravind Kannan and I am a freshman at Cedar Park High School. For a project I have to ...
A: Here are my answers... 1. How long have you held this job? A. I worked in R&D for Motorola for 24 ...
|
| rolling motion... | 11/8/2004 |
Q: Can you pleae help me on this problem? Two hoops of identical radii roll without slipping down ...
A: The wheel with the heavy spokes will be slower to acclerate in its angular velocity and thus will ...
|
| reationships of phyics | 11/7/2004 |
Q: im marian 18 years of age..i would like to ask the relationships of physics to other physical ...
A: Here is a great web resource for you to review: "Begin with physics! It relates to all other ...
|
| atomic theory | 11/3/2004 |
Q: I want to know the problems with Niels Bohr's atomic theory. Thanks.
A: Here are some answers for you... First review the website: ...
|
| Elecrtronics (Triode) Iam of 20 yrs | 10/24/2004 |
Q: SIR, Distiniguish between static and dynamic characteristic of triod.Discuss its static ...
A: Here are the basics of a triode as listed on some internet resources. Please review: 1. ...
|
| tidal energy | 10/21/2004 |
Q: Please say an advantage & a difficulty of using tidal energy(to generate electricity) in rock ...
A: Please review the following websites on this topic and then feel free to ask me any follow-up ...
|
| UFO propulsion? | 10/19/2004 |
Q: Several years ago I observed what appeared to be very advanced saucer like entities, moving at high ...
A: Yes, you are basically correct. UFO's can generate either a repulsive and attractive gravity field. ...
|
| atoms | 10/17/2004 |
Q: 1. Is the only difference between cold steel and warm steel the fact that in warm steel the atoms ...
A: Here are some basic answers... 1. Is the only difference between cold steel and warm steel the fact ...
|
|
Hey, do you think you can... | 10/15/2004 |
Q: Hey, do you think you can clarify a few things for me? I'd greatly appreciate it, thanks! (I'm a ...
A: Here are a few short answers. Let me know if you need more help... If the work done on an object is ...
|
| DARPA | 10/12/2004 |
Q: What is DARPA? Sorry, I'm new to this field of research. OuinWhat are government "Special Access ...
A: Regarding DARPA, read this quote from their website: The Defense Advanced Research Projects ...
|
| Physics | 10/5/2004 |
Q: I am 17 years old. This is a multiple choice question. Every substance has unique patterns of ...
A: .. I think they are looking for the answer "C", a pattern of colors. Note: They did not define ...
|
| infinite energy universe | 9/20/2004 |
Q: I am a University Physics undergraduate, my question is, If our universe had a infinite amount of ...
A: Sorry I was not able to answer them yesterday, I got stuck with some last minute projects. Q. If ...
|
| Junction Field Effect Transiter | 9/9/2004 |
Q: Give me all details about JFET including,its characterstics,construction,uses and also provide me ...
A: The following (very long) weblink will provide you with a good basic understanding of JFET ...
|
| "Fabrication of transistors""urgent" | 9/4/2004 |
Q: Sir, I am working on a presentation on the topic "Fabrication of transistors". Cn u please guide me ...
A: Here are some fine sites which will provide some background information on transistor fabrication ...
|
| If I connect electric instrument(such... | 8/28/2004 |
Q: If I connect electric instrument(such radio) to phone port,it does harm?
A: Asks: Thanks for your question! No, I do not think connecting anything to a phone port will cause ...
|
| Reactances of Inductors... | 8/27/2004 |
Q: How come Reactance 'XL' of an inductor is equal to 2*3.14*f*L ... I was wondering how come they got ...
A: This "XL" reactance calculation is an old formula relating to the basics of AC theory. Please ...
|
| laser | 8/26/2004 |
Q: laser's hesitation is? (1)middle (2)very high (3)law (4)unflinchingly
A: A "lasers hesitation" is an unusual phrase for a question on this topic! Laser light waves generate ...
|
| RF radiation | 8/25/2004 |
Q: Is there any type of meter that I can buy that will measure the strengh of RF fields from 1 hz up to ...
A: There are some meters which can measure RF fields at these lower frequencies, and they are usually ...
|
| Physic Project | 8/24/2004 |
Q: i am 13 years old and i am in the 7th grade (i was not hold back) In physics we are doing a science ...
A: There are some suggestions on the following two websites which should help you with your project. ...
|
| Heat Insulating Gas | 8/23/2004 |
Q: I am looking for a Heat Insulating Gas for a solar energy application. I found that Argon or ...
A: You know about as much as anyone else on this topic! The only other insulating gas used would be ...
|
| potential divider ?? | 8/13/2004 |
Q: I was wandering what a potential divider was and how it can be used in a circuit with one rheostat, ...
A: I am not sure what you mean with the term "globe", but here are some great websites to research ...
|
| Hydrogen | 8/5/2004 |
Q: My age is 27. Why hydrogen built up in a WW2 submarine, basically when it was submerged too long?. ...
A: The buildup of H2 gas in diesel subs was a common occurance. The normal function of the large ...
|
| Generating Power for the Space Station | 8/3/2004 |
Q: Age 59. I have read science magazines for many years, with particular interest in space programs. ...
A: Note that I am not sure why you idea has not been implemented! Here is some info... Q. My question ...
|
| EM-Waves... | 8/1/2004 |
Q: I want to know that how does EM waves carry data bits? I was wondering just how can 1's and 0's are ...
A: This topic requires me to refer you to the following websites. The complete answer would take more ...
|
| UFOs & ZPE | 7/29/2004 |
Q: I've heard & read numerous reports about UFOs, Bob Lazar, UFOs using Zero Point Energy to manipulate ...
A: Note that any self-generated gravity propulsion field automatically eliminates the effects of ...
|
| wavetength | 7/28/2004 |
Q: If I have a wavelength, lets say 10 HZ coming from an angle of 360 deg. and another let's say 25 HZ ...
A: When calculating vectored spacial frequencies, you need to consider the math provided on the ...
|
| flying object question | 7/19/2004 |
Q: The safe load which a piece of string can carry is 15kg.The string is used to swing a mass of 1.5kg ...
A: I have 2 websites for you which should provide a way to find your answer. Please review: 1. ...
|
| Robotics | 7/18/2004 |
Q: Do u have any advice on how to build a robot using recycled materials only. plz respond asap. thanks
A: The follwoing websites will provide you with some great ideas on the construction of a robot using ...
|
| capacitors | 7/16/2004 |
Q: my age 21: question : consider an uncharged capacitor and a battery system. the capacitor plates ...
A: Note that I normally do not answer homework questions, but I will provide you with two great ...
|
| NEWTONS | 7/13/2004 |
Q: THE NOTATION NEWTONS IS USED TO MEASURE IN WHAT SYSTEM?
A: Newtons, as a unit of force, are used to measure coordinate systems! For detailed info, review the ...
|
| solid state physics | 7/9/2004 |
Q: explain about bravias lattice
A: I think you will find some good information regarding the "bravias lattice" at: 1. ...
|
| The Universe | 6/25/2004 |
Q: Entertain for a moment that there may in fact not be a God. Where then would the universe be ...
A: I will be happy to provide some more of my views for you! I know you are sharp, it simply takes ...
|
| The Universe | 6/23/2004 |
Q: I am a sophomore in high school. I don't think there's an answer to my question, but I was wondering ...
A: These answers are mainly my own views. I think eventually that you will find them to be correct. I ...
|
| Physics | 6/21/2004 |
Q: Do you know of any professions that use vector addition? If so what quantities would that person ...
A: .. Thanks for your question! Regarding Vector Addition Math Problems: Q. Do you know of any ...
|
| future | 6/14/2004 |
Q: My sister has visions, they always come true, she had one that she would die in a car accident no ...
A: I cannot believe you would pick me to answer these sort of questions! I am basically a simple ...
|
| question | 6/13/2004 |
Q: i m rizwan from pakiistan.i want to ask a question which is given following 1.why does sky is looked ...
A: The sky looks black from the Moon because it has virtually no atmosphere to refract and diffuse any ...
|
| Dear Sir,
thanks for your... | 6/11/2004 |
Q: In simple language I want to make a coating material on glass which can give sharp permanent line ...
A: Here are the basics... Normally thin-film Samarium or Neodymium coated filters are used for the ...
|
| Inductors and Capacitors | 6/1/2004 |
Q: I have these two questions: Why does Current Lags Voltage in a Inductor, I mean if we see w.r.t ...
A: Q. Why does Current Lag Voltage in an Inductor, I mean if we see w.r.t time first Voltage is ...
|
| UFO | 5/27/2004 |
Q: I am a freshman and doing a report for class about the Novel War of the Worlds. Could you answer ...
A: Here are some basic answers... 1. Could the Martians keep track of us form earth? A. Yes, they ...
|
| REEs, alien contact, two questions | 5/24/2004 |
Q: Followup To Question -Dear Spaceman, James, I checked out your recommendations for rare earth ...
A: Q. Cancer research-that's truly wonderful. Gosh, I hope you find a cure, or at least a better ...
|
| REEs, alien contact, two questions | 5/20/2004 |
Q: Followup To Question - Dear Spaceman, James, I checked out your recommendations for rare earth ...
A: Perhaps we could co-author a book on the topic of reincarnation. I am not that well informed on book ...
|
| REEs, alien contact, two questions | 5/19/2004 |
Q: James, I checked out your recommendations for rare earth element web sites- very informative, gave ...
A: Here are some more answers Diane! Feel free to ask more questions if you need to. Q. I have a few ...
|
| LPG Sensor | 5/18/2004 |
Q: I am a postgraduate student of Physics. I want to know about materials which sense the LPG and ...
A: Did you mean by LPG "Long Period Grating" sensors? Then visit this next website for some details. If ...
|
| Semiconductor (Electronics) | 5/17/2004 |
Q: I am a Electronics student. My question is why photodiode is always connected in reversbias. Explain ...
A: Here are some basic answers... The reverse bias is used to increase the saturation level of the ...
|
| LPG Sensor | 5/17/2004 |
Q: I am a postgraduate student of Physics. I want to know about materials which sense the LPG and ...
A: Here are some basic answers on this topic. Let me know if you need any further details as I am ...
|
| REEs, alien contact, two questions | 5/16/2004 |
Q: James, I checked out your recommendations for rare earth element web sites- very informative, gave ...
A: Here are some basic answers... I checked out your recommendations for rare earth element web ...
|
| 15yo | 5/13/2004 |
Q: Just curious, if in space there is no resistance why do spaceships need fuel other than for ...
A: Q. If in space there is no resistance why do spaceships need fuel other than for directional ...
|
| Beware Of Lightning | 5/12/2004 |
Q: Why is it advisable not to stand under a tree during thunderstorm( or more precisely during ...
A: Lightning is attracted to the highest conductor in an open field or exposed area. When a person ...
|
| Electronics | 5/11/2004 |
Q: I am 17 years old. I was wondering how to design an experiment to investigate; how the electrical ...
A: Here are some websites which will answer most of your questions regarding the experiment you intend ...
|
| Galvanometer | 5/6/2004 |
Q: Well in physics class I was taught that we need to add a small shunt resistance in parallel to a ...
A: You can easily explore this topic on the following website. It will describe how these different ...
|
| Sercit Theory | 5/4/2004 |
Q: 4) Calculate the power dissipated by R1, R2 ,R3 and R4. 5) Determine the power delivered by the ...
A: Since I cannot see the particular circuit you are referring to, please refer to the next two ...
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| Top 25 Censored Media Stories of 2002-2003 | 4/30/2004 |
Q: http://www.projectcensored.org/publications/2004/index.html What do you think about the site above?
A: The website you mentioned is reflective of the current power structure in the US and the world ...
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| Unplugged computers during lightning storms | 4/29/2004 |
Q: i remembered asking you some questions on electricity before i graduated last year and was very ...
A: .. Yes, the phone line can easily fry your computer as well! Anything connected to your computer ...
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| spaceman | 4/26/2004 |
Q: 1)Who is the popular spaceman in the universe? 2)Is there any other planet in our solar system other ...
A: 1. Who is the popular spaceman in the universe? A. I do not think it is me! I am a basic scientist. ...
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| ice on the sea | 4/22/2004 |
Q: why did not we see any ice on the sea and I would like to have some pictures about it. ...
A: Water in the oceans has dissolved salt (NaCl) and many other minerals. This lowers the freezing ...
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| Replay | 4/21/2004 |
Q: Spaceman I'm sorry,my problem have not been solved. You had written that freezing of seawater ...
A: I never give up until my clients are fully satisfied with my answers! The following website will ...
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| james clerk maxwell etc, etc | 4/20/2004 |
Q: I am a 50+ university lecturer in architecture based in Scotland. My personal research over 30 years ...
A: We are the same age by the way! What can I say, there are many areas of knowledge which are ...
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| Freezing of oceans!!! | 4/19/2004 |
Q: spaceman I come for another question! This time i want to know why do not oceans be come freeze!?I ...
A: Water in the oceans has dissolved salt (NaCl) and many other minerals. This lowers the freezing ...
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| light | 4/17/2004 |
Q: Salam: We are aparticipants in world links workshop in Jordan/ Aqaba And we have some questions to ...
A: Here are the basics... Q: Does light have mass? A. Light or any photon stream truly exists as ...
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| Physicists | 4/14/2004 |
Q: Hello, my name is Drew Beres, a freshman in highschool, and I'm looking into a career as a ...
A: I hope you wanted my profile as opposed to a basic sample of responses. Here we go... Name: J. C. ...
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| electronics | 4/11/2004 |
Q: I'm building a toy remote control car (about 12"x6")one wheel at a time, one gear at a time. ...
A: Here are some quick answers for you! We are under severe storm conditions here in Florida. Let me ...
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| Forensic Physics | 4/8/2004 |
Q: I'm 26 and doing a PhD in the physics of biological systems in the UK. I want to find out whether I ...
A: I wish you the best of luck with your desire to pursue forensic science with a slant towards ...
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| uses of convex mirror | 4/3/2004 |
Q: give me at least five use of convex mirror only
A: Here are some convex mirror applications... For outside uses--such as viewing driveways, alleys, ...
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| Statics | 4/2/2004 |
Q: What is the horizontal force required to prevent a block from sliding down on an inclined plane ...
A: I cannot provide the particular answer, but here follows some fine websites which will describe for ...
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| difference | 3/31/2004 |
Q: sir! Q.What is the defference between AC& DC?
A: AC is alternating current. Its voltage potential varies above and below the 0 point. It is what is ...
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| High frequency noise and animals | 3/30/2004 |
Q: -I haven't been able to get solid information from the dogs and pet people, so it occurred to me ...
A: The science on this issue has not been well established. I know that my English Setter reacts with ...
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| optics | 3/29/2004 |
Q: a glass slab 6 cm thick silvered from oe phase, object is kept 8cm from unsilvered phase the image ...
A: I have not had to deal much with this topic, so please review the following websites for some ...
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| At the summit of a high mountain,... | 3/28/2004 |
Q: At the summit of a high mountain, the atmospheric pressure is only half of its normal value of 760 ...
A: As the altitude increases, the barometric pressure decreases. This fall in the barometric pressure ...
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| Manual sloution. | 3/26/2004 |
Q: Q: Please how have i get The Manual Solution of Physics Vol 1&2, from Internet.
A: You will want to research the following science book websites for the exact title you are looking ...
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| optics | 3/25/2004 |
Q: Plz explain me that y, when light is reflected there introduces a phase diffrence of 180 degree? if ...
A: The 180 degree phase change relates more to basic wave optics than any quantum considerations. ...
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| Ozone layer and air polution | 3/23/2004 |
Q: We have an essay for our physics lessons and the laboratory in high school, about polutions and I ...
A: I think the following website will provide you with all the information you need for your essay. I ...
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| physics- crumple zones | 3/17/2004 |
Q: How is a crumple zone related to physics?
A: Here are my basic answers... How is a crumple zone related to physics? A. Because all the MATH ...
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| helium | 3/15/2004 |
Q: I am doing a project for school that requires me to design a new product to market. I am wanting to ...
A: All of the nasty details of the lift capacity of helium gas for your project are detailed on the ...
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| UFO's | 3/14/2004 |
Q: what is UFO does UFO really exist in universe can I have some images of them?
A: Most true UFO's are physical craft which use a strong gravity field for propulsion. Visit: ...
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| problem with static electricity | 3/9/2004 |
Q: I'm having a problem with static electricity. I sandblast glass (etch) for a living, I've been doing ...
A: I know all about your problem and I also dislike receiving high voltage/low current shocks. Q. Is ...
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| foaming while UV glue hardening | 3/7/2004 |
Q: I wonder why some glue types (ultraviolet herdened) do foaming on glue surface while hardening, is ...
A: I would suggest some heating and vibrating the UV cure epoxy before any UV exposure. This would help ...
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| Smoke Generation | 3/3/2004 |
Q: Age: 41 .. I am seeking a substance that can create a large volume of high-visibility smoke that is ...
A: I can recommend the following sources for nontoxic smoke generation equipment. To make these ...
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| electricity and electronics | 3/2/2004 |
Q: my age is 25 1)if one body is positively charged and another body is negatively charged, free ...
A: I normally never answer homework questions, but here are a few of MY answers... 1. A 2. D 3. B 4. A ...
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| government coverups | 2/24/2004 |
Q: do you have any proof of any government haveing space craft that can travel fast speeds.?
A: I can (and will) only tell you only what I know to be true. What I worked on (for DARPA) were the ...
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| optic and astrology | 2/23/2004 |
Q: when a very high melting point objects when heated it will radiate heat and the apparent colour ...
A: Here are the basic answers... Metal Heat vs Color Degrees F ...
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| physics ques using maths | 2/22/2004 |
Q: I would like to ask for your expertise regrading the correct way to plot graph using Mathematica ...
A: Here is some help for you. Let me know if you need additional assistance. Def.: "Plot---plots one ...
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| electronic math | 2/21/2004 |
Q: How do you convert dB's to voltage gain? I have a sample problem where an FM receiver provides a ...
A: The following website will provide you with all the dB to voltage gain conversions and understanding ...
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| FORCES | 2/19/2004 |
Q: Spaceman This time i want to know about two subject. NORMAL FORCE and VAN DER WALL FORCE! thanks a ...
A: Here are some basics on these topics: Regarding Van der Waals forces: The physical forces of ...
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| Second Length | 2/16/2004 |
Q: "Second" is probably the basic unit of time. I have a question. Why the length of a second is "One ...
A: 1.Time as expressed by "one-second" is a man-made concept, used as a simple common reference. ...
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| Physics | 2/13/2004 |
Q: How and why does the weight or length of a pendulum affect the swing?
A: The following websites are provided since they explain this topic much better than I can, as they ...
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| magnitized water | 2/12/2004 |
Q: i am 11 years old and this is mywhy can water be magnetized?
A: Elements which occur in water are magnetized as they pass through layers of naturally occuring ...
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| Electricity | 2/8/2004 |
Q: 1. i have doubt, it may look silly. is valance electrons reduced in electrodes? because they are ...
A: Here are some answers for you. I could not include all of the information necessary in one or two ...
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| Derive an expression. | 2/7/2004 |
Q: I need help with showing that if the the actual density of the universe, is equal to ...
A: There are a number of websites which will guide you to the correct expression. Remember that I never ...
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