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hey everyone, NYCer here, getting my MS in bio, as a partial scientist, obviously like lasers i hate essays so ill keep this short, ive only had experiences with low mW 5-30 red and freens, max i ever owned was 100mW greenie, which was too powerful to play with my cat, and too powerful to shine...

which one would burn better and further away a UV laser or IR laser, to avoid specific wattages, the only constant in this question is a price range of $300-400 i've tried digging up some threads, most of them have images uploaded to obscure image hostings that went bust, so if anyone has pics...

Kind of obsessed with golden color, sodium lamps. I tried searching Sodium lasers, but the only ones I find are the size of a cow, and attached to the very large telescopes used in astronomy. Can someone help me understand if there are small ones the size of HeNe laser, do they exist? I...