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Old July 24th, 2004, 02:26 AM
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Default Re: Homemade incinerator beam!

Quote:
Originally posted by Baron Munchausen:
Bah...
A giant Fresnel Lens will do things like this, and more.
...
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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