• How does one illiterate power a laser?
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I decided to mess around with an old broken laser I had, it's one of those cheap ones that has a tiny useless flashlight and a <5mw red laser. I opened it up and saw that the diode itself was fine, however it wasn't getting any power from the brand new batteries. It has a little spring the batteries sat on in the case, but I dont know what to do. Any help?
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