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24th Mar 2008, 04:29

#17 (permalink)

kalavo

Join Date: Feb 2006

Location: The Zoo

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Green lasers are much more visible than red lasers and available in very high wattages.

http://www.megalaser.com/120mw.htm

Claimed range of over 30km (and there's 250 and 400mw versions available). Even the $50 ones can apparently get over 5km.

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