July 24th, 2004, 02:26 AM
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Shrapnel Fanatic
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Join Date: Feb 2001
Location: Waterloo, Ontario, Canada
Posts: 11,451
Thanks: 1
Thanked 4 Times in 4 Posts
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Re: Homemade incinerator beam!
Quote:
Originally posted by Baron Munchausen:
Bah...
A giant Fresnel Lens will do things like this, and more.
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I do have a fresnel lens, but its more trouble and the focal length on it is too short. (Its off a busted overhead projector, so about 30cm on a side, but the focal length is about 10cm)
These mirrors are cheaper too.
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