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UV light and water


taylrl
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UV light has a far, far, far greater wavelength than X-Rays and Gamma-Rays do. As a result, they are far easier to block and ANY non-transparent substance will block the UV rays. In fact, your sunglasses will block UV rays too.

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UV light has a far, far, far greater wavelength than X-Rays and Gamma-Rays do. As a result, they are far easier to block and ANY non-transparent substance will block the UV rays. In fact, your sunglasses will block UV rays too.

 

Not cheap ones, which is why they are dangerous. They block visible light, making the iris/pupil open up, but let in most of the UV.

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The UV is almost certainly for the purpose of killing bacteria in the water. I've seen swimming pools which cycle their water under UV light instead of using chlorine to keep them sterilized. Nifty system.

 

I agree killing bacteria, I once stayed in an activity center on the middle of a moor that took it's water from a stream and cleaned it in this way...

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