video Steam Engine from the sun with a beer bottle
This is an llder video using a brown beer bottle as a boiler.

Misac-kun2 years ago
Those markers on the gauge...
Also, when I saw the solar scorcher i tough you were The King of Random
GREENPOWERSCIENCE (author)  Misac-kun2 years ago
Been doing Fresnel Lenses for 6 years on youtube now:-) We are his "inspiration" in his video details.
Hmm... Didnnt notice that. Good scorchings then.