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Old 2006-04-17, 20:43   Link #37
Newprimus
NO ESCAPE FROM NYAAA
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Join Date: Jan 2004
Quote:
Originally Posted by Newtyped
thats not remotely funny -.- (i told u i don lik school because i kno everything they try to teach)
Actually you didn't tell me anything.

Quote:
(sorry i take long time to reply, my homeboy just chirped me)
and as you know the laser is heat. it heats stuff up because its traveling heat. i cant imagine how far a high power laser can travel with no temperature ^^;;.
Er, no, a laser is photons not heat. It heats up stuff along the way cause it hits molecules in between and causes them to vibrate, hence they get hotter. Laser itself is not traveling heat.

As for infrared, just as an aside, that's also not heat itself but simply a wavelength of light that is emmitted in the presence of hot objects. Infrared is not heat itself. Since it's present near hot objects we typically assume it's a sort of "heat sensor" but we're not actually sensing the heat, instead we're sensing a specific type of light that is given off by a hot object.
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