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DIY Lava Obsidian

 

Using a rock as film to capture a temporary image of the sun 0:36. Backyard Lava Homemade Obsidian Rock conversion and How the sun can vaporize aluminum with a Professional grade Fresnel Lens. Forming borosilicate glass tubing. At 0:36 the image of the sun is exposed into the rock surface.

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Views: 1605 Submitted: 10/03/2012