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Radiation & AC

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Erdem

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Im learning about basic electricity do i have to learn about AC electricity ? Will i have anything to do with it in laser hobby ? And i read somewhere about laser radiation and risk of cancer at high power lasers contacts skin :D is it true ?
 





Zeebit

Zeebit

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High powered lasers will burn your skin before causing cancer. This hobby is more on the DC side but it never hurts to study AC.
 
Zeebit

Zeebit

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No. The laser beam is the radiation itself. Remember, LASER stands for light amplification by stimulated emission of radiation
 
Fiddy

Fiddy

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AC is good to learn, i was most interested in power supply systems which convert and smooth AC to DC.
 
DrSid

DrSid

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Lasers we use wont give you cancer. They can start fires, and damage sight, or burn skin.
 
Eudaimonium

Eudaimonium

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Erdem said:
So a 3w wont do harm except eye damagr and burn skin ??
Click to expand...
Well technically that's the harm :p It's a weird way to ask a question.

Lasers are dangerous, no way around that. There's no "radiation" as in, gamma and particle radiation present in nuclear reactions, unless you use a nuclear reactor to power your laser.
 
DrSid

DrSid

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Well UV or X-ray lasers could cause cancer .. simply because UV or X-ray do .. but such laser are not used in pointers so far ..
 
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