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Old 14th December 2006, 02:22 PM   (permalink)
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Quote:
Originally Posted by Hero999
Don't you need eye protection when playing with that laser?
Even a laser pointer is dangerous to your vision!.
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Old 28th February 2007, 10:07 AM   (permalink)
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I know that a 10 mw green laser beam can be seen with the naked eye in dark conditions. i own a 10mw green laser show and i can still see the beam even when its doing the patterns. try ebay they sell green lasers from as low as $10!
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Old 2nd March 2007, 04:00 PM   (permalink)
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Of course, you could also rely on an effect known as "blooming" for your laser to show on a clean atmosphere.

Of course, at that power density (~1 MW/cm²), you really don't need an alarm system since the ray will certainly burn through any unwanted visitors ;-)
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