Video Asylum

RE: Pointing Laser pointer at the TV screen any DANGER ?

71.118.238.8

blue_z

In Reply to: RE: Pointing Laser pointer at the TV screen any DANGER ? posted by baguadao on December 20, 2008 at 17:23:09

A laser emits coherent light. The "waves" are synchronized.

LEDs (ordinary, not laser) emit incoherent light, like a flashlight with an incandescent bulb.

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