https://www.instructables.com/Solar-Death-Ray-TV-Fresnel-Lens/
Solar Death Ray (TV Fresnel Lens) (with Pictures) - Instructables
Solar Death Ray (TV Fresnel Lens): 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 -...
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https://www.neatorama.com/2011/01/31/homemade-solar-death-ray/
Homemade Solar Death Ray - Neatorama
Eric Jacqmain covered an ordinary fiberglass satellite dish with 5,800 mirror tiles to create a home-made death ray that can "melt steel, vaporize aluminum,...
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https://makezine.com/article/craft/solar-death-ray-for-cooki/
Solar death ray (for cooking hotdogs) - Make:
Jul 18, 2006 - Nym writes - "Some folks from the Alternative Energy Zone have built a giant solar death ray for... cooking hot dogs. You can try it out for yourself this
solar death rayfor cookinghotdogsmake