Instructables: exploring - photos - workshop - solar - featured Wed, 29 Jul 2015 06:56:48 PDT BLOX v1.01 Solar Death Ray (TV Fresnel Lens) bennelson For all of you would-be eco-friendly mad-scientists, I present to you a way to dominate the world! But only on sunny days - THE SOLAR DEATH RAY! This is simply a free projection lens from the front of an old television, mounted in a wood frame. It's any easy project anyone can build with only simpl...
By: bennelson

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Tue, 1 Oct 2013 12:24:02 PDT