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This is part one for the build of our solar foundry. I will be making a condensed version of the steps in a video and with a photo ...
DIY SOLAR FOUNDRYby GREENPOWERSCIENCE
Projection Fresnel Lens Linear to Spot Conversionby GREENPOWERSCIENCE
Solar Death Ray (TV Fresnel Lens)by bennelson
Fresnel Lens 3002ºF DIY Lava Obsidian FARMINGby GREENPOWERSCIENCE
Giant Fresnel Lens Deathray: An Experiment in Opticsby DrSimons
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