Daniel's Solar Cooker

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...

This solar heat ray can produce temperatures exceeding 1800 F� at 10 feet focal length to 300 F�  at 100 feet focal length.

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    Smaller quick version:

    https://www.instructables.com/id/TRASH-CAN-LID-concave-death-ray-solar-mirror/