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@diachi i see on your signature you have a laser from Gearbest, are those good? 18650 Laser Pointer ? Free Shipping | GearBest.com

is there a power chart of lasers varying in color and power? because you say this 5mw red laser would burn... I dont think so, but sometimes they write 5mw because they are not allowed to sell anything stronger... in Brazil there are no laws on lasers, i know in australia there is a 1mw limit...

that makes sense what do you think about this one? 200mW 532nm Green Laser Module (3V 11.9mm) - Free Shipping - DealExtreme i dont think it will really have 200mw, but maybe it is powerful enough to burn, while being visible i have seem projects that use a module like that before: Red...

i understand the dangers of IR and UV, those edges of the light spectrum can easily burn stuff but how exactly IR can blind? i guess its from actual "burn" of the retina, while visible light can be both from burn and or a oversaturation of the retinal pigment (Flash blindness), like a burst of...

i have one of those "Laser 301" green laser, like this one: http://laserpointerforums.com/f44/laser-301-host-breakdown-83002-2.html#post1195911 except the part where the diode is (4) doesnt have a metal ring around it it used to be able to burn dark plastic, but now its not able to do that...