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I have bought a relatively cheap 50 mW green laser (bought it in Denmark, but it looks very much like the ones from DX). But it's quite unstable. Often, at least when indoor, when I push the button it lights up very bright, but instantly gets dimmer. And within a second or so it's noticably...

Is there any regulations against having a laser pointer in a flight? Is there any regulations against bringing a laser pointer to Israel? The one I would like to bring is a 50 mW green (I think it's the same as the one DX sells. I just paid a lot more for it here in Denmark).

When laserpointers started to be dirt-cheap you could get a set with several different tips or heads that could make 'images' instead of just a dot. I would like to make my own "head" (i.e. with my own logo or such). But I don't really know how to get started. Anyone have a clue?

Hi there, I am new to this site. I have a degree in physics, but I never did anything with lasers or optics. So I guess I could as well have had a degree in medicine or philosopy. As usefull here :-) I just bought a 50 mW green laser. And now I am starting to get curious, and also see...