HOW NIGHT VISION WORKS

The conversion These image-enhancement goggles use a photocathode to turn the protons (which enter the goggles as infrared light) into electrons Duplication The electrons then hit a high-voltage microchannel plate, which multiplies them many times The magic The electrons then hit a screen coated in phosphorus, and as they collide with it the electrons excite the phosphorus, releasing photons that glow green The result Because the electrons were multiplied, the image is much brighter than you can see with your naked eye, giving you excellent night vision…

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Gadget (Digital) - 1 Issue, Issue 1

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