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  1. F

    Are there other colours?

    I know about Red, Green, Blue, Yellow and Violet, but are there other colours? Like, White and stuff? Just wondering 'coz I really know NOTHING about lasers.
  2. F

    Hai, 3 Questions

    1. What exactly does Laser Radiation do to you if it harms you (sounds a little weird, but I can't figure out how to say it) 2. Is it better to have a higher mW or a lower mW? 3. Is the lower the nm the more powerful/brighter?
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    Laser Pointer screwed?

    So I bought a Laser Pointer (From eBay, I can already yeah the Uh-Oh's) And it's going a little funny. It just got here today, and I have NO IDEA what it's doing. Well, at first glance it was great, but it didn't light up. Tried 3 different sets of batteries, still didn't work. So I looked...


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