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TV remote control trick. Not a question but try this out...?
Take a TV remote control and look at its front end and press a button. Can you see anything? No.
Now do the same but look at it through a camera phone. You can see it flickering!
Amazing huh.
11 Answers
- Anonymous1 decade ago
That's funny.. :D That's because in TV remote control they use near-infrared ray emission which cannot be detected by human eye because wavelength of them are 0.75-1.4 µm. It's longer than the visible light, but your phone can detect it - the flickering is the impulse in which rays are emitted .. so that's the whole trick.
- Anonymous1 decade ago
Neato. Now get back to work.
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- Anonymous5 years ago
Crack the glass, that will deter them from using your TV.
- Anonymous1 decade ago
perhaps you should get out more.
- Anonymous1 decade ago
that is mad. i like it