| Subject | Date Asked | Expert |
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| olefactory nerves in nose | 7/21/2008 | Dan Fink |
Q: How often do the olefactory nerves in your nose change?
A: ...it could be changes in the ability of olfactory signals to transmit to the brain. See: ...
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| pounds of pressure on lower back | 7/15/2008 | Sue Kayton |
Q: If I lift ten pounds off the floor and my uppor torso weights 105 pounds, how many pounds of ...
A: People don't put "pounds" of pressure on their back. They put "pounds per square inch" on their ...
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| Do our senses really perceive the real world? | 7/14/2008 | Ralph Salier-Hellendag |
Q: I have read article from some website...and I have some issue concerning the existence of science ...
A: We are conversing via email. I am human so is the person sitting next to me. Thus we have proof of ...
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| Do our senses really perceive the real world? | 7/10/2008 | Sue Kayton |
Q: I have read article from some website...and I have some issue concerning the existence of science ...
A: Engineers and scientists see the world very differently from philosophers. Philosophers ask ...
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| Do our senses really perceive the real world? | 7/10/2008 | Ralph Salier-Hellendag |
Q: I have read article from some website...and I have some issue concerning the existence of science ...
A: I understand your confusion. The premis of the U-Tube film in my view is nonsense. Yes every thing ...
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| Wat kind of wood | 7/9/2008 | Sue Kayton |
Q: Hi i need to know wat kind of wood floats to build an RC warship can u help me?
A: Almost every kind of wood floats. To build a radio-controlled ship, usually people use spruce, pine ...
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| Solar Heat | 7/7/2008 | Sue Kayton |
Q: What is the highest temperature that can be reached inside an automobile setting in the sun?
A: According to a US patent, the temperature can go up as high as 200 degrees, but this is very rare. ...
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| Do human visual and colour receptor work differently? do human have the same visual experience? | 7/3/2008 | Sue Kayton |
Q: I got another question on human vision -Does Human have the same colour vision receptor? Do they ...
A: You can do controlled experiments showing people pictures of things. People with normal brains and ...
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| Do human visual and colour receptor work differently? do human have the same visual experience | 7/3/2008 | Ralph Salier-Hellendag |
Q: I got another question on human vision -Does Human have the same colour vision receptor? Do they ...
A: My wife is a graphic artist and when she does a color correction to a photograph I have taken, the ...
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| Do human visual and colour receptor work differently? do human have the same visual experience | 7/3/2008 | Ralph Salier-Hellendag |
Q: I got another question on human vision -Does Human have the same colour vision receptor? Do they ...
A: Normal eye sight is called 20/20 this means that an object of s specific size can be seen clearly ...
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| Do human visual and colour receptor work differently? do human have the same visual experience | 7/3/2008 | Ralph Salier-Hellendag |
Q: I got another question on human vision -Does Human have the same colour vision receptor? Do they ...
A: Humans have color perception because of the types of receptors in the retina of the eye. Not all ...
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| Encouraging my scientific daughter | 7/2/2008 | Ralph Salier-Hellendag |
Q: My daughter, age 10, is going into the 5th grade and absolutely LOVES science. She won last year's ...
A: Very good! I love it when a mom or dad want to encourage their daughters in the sciences. My own ...
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| Does every human taste receptor work differently? Do we enjoy the same kind of taste sensation? | 7/2/2008 | Dan Fink |
Q: I understand no human taste receptor work exactly the same,does all the normal human taste receptor ...
A: Interesting questions! From what I can tell, you run into the same thing with smell--it's again a ...
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| Does every human taste receptor work differently? Do we enjoy the same kind of taste sensation? | 7/1/2008 | Sue Kayton |
Q: I understand no human taste receptor work exactly the same,does all the normal human taste receptor ...
A: No, we don't share the exact same experience. People who smoke or chew tobacco can't detect subtle ...
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| Does every human taste receptor work differently? Do we enjoy the same kind of taste sensation? | 7/1/2008 | Ralph Salier-Hellendag |
Q: I understand no human taste receptor work exactly the same,does all the normal human taste receptor ...
A: Good question. It will depend on several factors, first of all the nature of the food stuff and ...
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| Does every human taste receptor work differently? Do we enjoy the same kind of taste sensation? | 6/30/2008 | Sue Kayton |
Q: I understand no human taste receptor work exactly the same,does all the normal human taste receptor ...
A: Some people have chemical disorders which cause them to experience different tastes than normal ...
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| Does every human taste receptor work differently? Do we enjoy the same kind of taste sensation? | 6/30/2008 | Dan Fink |
Q: I understand no human taste receptor work exactly the same,does all the normal human taste receptor ...
A: There's no way of knowing, just like there's no way to know if 'green' looks the same to me as to ...
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| Does every human taste receptor work differently? Do we enjoy the same kind of taste sensation? | 6/30/2008 | Ralph Salier-Hellendag |
Q: I understand no human taste receptor work exactly the same,does all the normal human taste receptor ...
A: I belive that most mammels and many other animals have taste receptors on their toungs. The taste ...
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| making ice blocks | 6/29/2008 | Dan Fink |
Q: expansionHi Dan, We are trying to make a perfect circle ice block that won't crack. We have ...
A: Your best bet is trying to do it like the folks that make ice sculptures. In your freezer, the ice ...
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| Calcium | 6/22/2008 | Ralph Salier-Hellendag |
Q: for a school project we have to choose an element from the periodic table. we are asked to draw an ...
A: When doing a chemical formula or when trying to determine the out come of a chemical reaction, the ...
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| chemistry | 6/21/2008 | Ralph Salier-Hellendag |
Q: what is the process of making dancing napthalene balls?
A: Napthalene balls can be made to "dance" by placing them on a hot plate. This causes the naptha to ...
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| Soft Drinks | 6/10/2008 | Sue Kayton |
Q: I am from Australia and I am doing an experiment in class for soft drinks. Is there any way you ...
A: A quick-and-dirty way to measure carbonation is to measure the pH of the soda. CO2 + H2O = carbonic ...
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| ........ | 6/6/2008 | Sue Kayton |
Q: how can you drop a egg without cracking?with:straws,toothpick,pipe cleaner,popsicle sticks,tape
A: Wrap the egg in a little bit of tape, but not too thick. Then make a tight cage around the egg ...
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| Assignment on heat and stuff. | 6/5/2008 | Sue Kayton |
Q: For our semster 1 year 7 science assignment we have to insulate a can using everyday objects. we can ...
A: The best, cheap, easily available insulation is styrofoam, but it's hard to make it the right shape ...
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| science | 6/4/2008 | Sue Kayton |
Q: what is matter and how do you measure it?
A: Matter is the scientific word for "stuff". Everything you touch is matter. Dirt, water, wood, ...
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| how to make an investigatory project on energy conservation? | 6/4/2008 | Dan Fink |
Q: As you can see from the subject, I have to make an investigatory project on Energy Conservation. The ...
A: -) An investigatory project is also called an experimental project. In this type of project you ask ...
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| Experiment with magnets | 6/3/2008 | Dan Fink |
Q: I'm like a kid and all and i can not find any good experiments for the science fair but i know i ...
A: ). This page probably has the best collection of experiments that you can do with rare-earth ...
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| magnetism | 6/2/2008 | Dan Fink |
Q: My question is "How can magnets help archeologists?" please could you give me some info. thanks x
A: Of course in archeology studying more modern events, where people had iron tools, magnets can be ...
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| Purge Dip System and Hydrostatic Pressure | 6/2/2008 | Ralph Salier-Hellendag |
Q: What is purge-dip system? How it works in concept of hydrostatic pressure? (Please help me further ...
A: WOuld you be kind enough to tell me what the application of this purge dip system is? The ...
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| FACTS ABOUT FRICTION | 6/1/2008 | Ralph Salier-Hellendag |
Q: MY SON IS NINE YEARS OLD, AND IS NEEDING TO KNOW TEN INTERESTING FACTS ABOUT FRICTION FOR HIS ...
A: 1) trains have steel wheels and run on steel track. but it is the weight and friction t hat allows ...
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| h2o? | 6/1/2008 | Sue Kayton |
Q: what does h2o stand for? i know its water but what is the break down thanks!
A: H2O means there are two atoms of Hydrogen (H) and one atom of Oxygen (O). Here's a picture of a ...
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| magnets and capacitors | 5/28/2008 | Ralph Salier-Hellendag |
Q: why we can't use a magnet as a capacitor since that a magnet has south pole(negative) and north ...
A: It depends on the type of circuit and the type of capacitor. There are many types of capacitors: ...
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| coke cans | 5/28/2008 | Ralph Salier-Hellendag |
Q: what is the metal used to make the coke can? Why is this metal used? why do some of the bubbles seem ...
A: Most cans are now made of Aluminium. Some are made of steel. But those used by Coke-Cola are for ...
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| umbrella construction | 5/28/2008 | Dan Fink |
Q: I need to build an umbrella for my science project. I wanted to know what materials I would need to ...
A: This is really a tough question! I could not find any resources online for building an umbrella. ...
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| egg drop project | 5/27/2008 | Sue Kayton |
Q: I am doing a science project with my little brother, He is in the 3rd grade. he making contraptions ...
A: It has nothing to do with physics and everything to do with common sense. Common sense says if the ...
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| about coke cans | 5/26/2008 | Ralph Salier-Hellendag |
Q: murcia@yahoo.com.au thank you so much *kisses* love you , you saved my life 1. WHY DOES IT GET ...
A: 1) what you have observed is called condensation. The cold can from the fridge draws moisture out ...
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| chemistry | 5/25/2008 | Ralph Salier-Hellendag |
Q: My 12yr old son wants to run a science experiment on testing the flammability of a variety of ...
A: This is not as easy as it may seem. Many of the liquids you indicate are not easily flamable due to ...
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| Ventlation for Model House | 5/23/2008 | Ralph Salier-Hellendag |
Q: for a science project we need to build a model home that has to contain heat, and not let any heat ...
A: The best material to use is some kind of foam board like foam core several layers thick or perhaps ...
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| Sound | 5/22/2008 | Ralph Salier-Hellendag |
Q: My son is doing a 4th grad science project and we are trying to figure out the best why to show what ...
A: The best way to show what sound travels best through a solid, liquid or gas. I believe that a low ...
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| Egg Drop Competition | 5/21/2008 | Sue Kayton |
Q: I have a project called the 'Egg Drop/launch competition'. I have only a limited supply - I will ...
A: Use your brain and experiment. Try stuff. If it doesn't work, try something else. That's called ...
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