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  1. M

    Tuning lasers

    Hello, I'm sorry if this is in the wrong place... but this is the best place I could figure. I have been reading a lot about tunable lasers. I've found a lot here TUNABLE LASERS But I was just wondering if anyone knows why you don't see tuning in many laser light shows or even laser pointers...
  2. M

    Class 1 (how safe is it?)

    I was reading on wiki about class 1 lasers. And I was wondering if they are safe to look at close up (not straight on but from the side) for long periods of time. wiki said "class 1 laser is safe under all conditions of normal use" But then they say.. "This means the maximum permissible...


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