Larry Schlussler: Insulated Solar Electric Cooking, Vacuum Tubes, Solar Dryers, and More

Larry Schlussler cooks with PV-to-electric cookers, retained heat buckets, and vacuum tubes, and gives a brief demo of the first solar hookah I've ever seen. Many in the PV-to-electric cooking group may be green with envy for the many projects Larry's working on in his informal lab.

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What was the brand and model of the vaccum insulated lid?