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Water Resistant Electronic Gadget
Water Resistant Electr  
Dear Prof Steve

http://en.wikipedia.org/wiki/Water_Resistant_mark
http://deloachwatchservice.com/other_stuff/water_resistancy.htm
http://www.theverge.com/2013/7/10/4511142/battle-of-the-waterproof-phones-review
http://www.ebay.com/bhp/water-resistant-cell-phone

Technically, Electronic components viz Integrated Circuits, Transistors, Resistors, capacitors etc are susceptible to Damage
if the electronic gadgets are dipped in water. Isn't it ?.

What is the technology the electronic gadgets manufacturers are applying to manufacture water resistant electronic gadgets viz watches, mobile phones etc ?.

Are they using Special Glass coating or any other material for
waterproof ?.

Awaiting your reply,

Thanks & Regards,
Prashant S Akerkar

Answer
They're very different, waterproof watches and water resistant electronics.  Waterproof watches and things manufactured to be water resistant are made with waterproof shells.  Water resistant coatings are a new type of nanotechnology (youtube search for waterproof spray and you should find a very detailed description for smart phones, etc) involving silicon nanostructures.  That's probably what you want, I just searched and turned up some fascinating videos with details on the subject.  I think I'll waterproof Dad's cell phone for Christmas, he's always dropping it in sinks...

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Dr. Stephen O. Nelson

Expertise

I can answer most basic physics questions, physics questions about science fiction and everyday observations of physics, etc. I'm also usually good for science fair advice (I'm the regional science fair director). I do not answer homework problems. I will occasionally point out where a homework solution went wrong, though. I'm usually good at explaining odd observations that seem counterintuitive, energy science, nuclear physics, nuclear astrophysics, and alternative theories of physics are my specialties.

Experience

I was a physics professor at the University of Texas of the Permian Basin, research in nuclear technology and nuclear astrophysics. My travelling science show saw over 20,000 students of all ages. I taught physics, nuclear chemistry, radiation safety, vacuum technology, and answer tons of questions as I tour schools encouraging students to consider careers in science. I moved on to a non-academic job with more research just recently.

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Ph. D. from Duke University in physics, research in nuclear astrophysics reactions, gamma-ray astronomy technology, and advanced nuclear reactors.

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