Recent content by threeneurons

I'm new, to the finer points of laser pointers. The only other one I own, is a cheap red one, I picked up at the 99-cent-only store. It, too, has a positive (+) body. Its powered by 3 LR44 batteries. I do have experience in both electronics, and bigger lasers. The State of California, issued me...

Thank you for the quick replies. I just tried it, and its the negative (-) towards the end where the light comes out from. That means the case does get the positive (+) as per the two responses I got back, as of the time I'm writing this. Not to get into any arguments, but in normal...

I just bought a 405nm 5mW (blue/violet) laser pointer. It did not come with any batteries, which is fine. It requires 2 AAA batteries, of which I have plenty. The seller shipped no paperwork with it. I don't want to make the assumption (because "when you assume, you make an A out of U and ME)...