Solar Energy - DIY Lava Obsidian from Regular Rock 1650C Solar Fresnel Lens Borosilicate

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.

Tweets:

Just Posted: DIY Lava Obsidian from Regular Rock 1650C Solar Fresnel Lens Borosilicate http://t.co/NzjKQjmr4:38 AM Fri May 25, 2012 via Generators for HomeSparky
Sparky6953