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Comment: Re:doesn't seem scientifically valid (Score 4, Insightful) 115

by RocketRainbow (#15605509) Attached to: Cell Phone Radiation Excites the Brain
No, microwaves can penetrate the brain with very little trouble at all. It's basically transparent to them, but every now and then a microwave will be absorbed by a molecule and heat it a little.

And then your brain cools itself back down the same way it would if it were a hot day outside.

Obviously it's theoretically possible that a lot of microwave photons could cause a lot of damage by heating the brain to the point where chemical change occurs. Your brain can cool itself quite comfortably if the hotspots don't heat up at a rate any more than 1K per hour - I've never actually heard of anyone checking that this is so, but I would expect that this was part of the initial safety testing when cell phones were first introduced.

(Note that microwaves haven't enough energy to ionise the brain like your gamma or X rays do - they work by heating molecules rather than by ripping the electrons off an atom to change the chemical structure.)

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