Fresnel Lens 3002ºF DIY Lava Obsidian FARMING

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About: You may recognize Dan and Denise Rojas from their appearances in various made for tv movies and national commercials. As the hosts of Green Power Science, they share Fresnel lens and alternative energy ideas, … More About GREENPOWERSCIENCE »

SOALR Backyard Obsidian with the use of a large Fresnel Lens

Introduction: Fresnel Lens 3002ºF DIY Lava Obsidian FARMING