Here is link to an article I had published recently.
How to pasteurize water, distill with the sun and other fun stuff.
https://www.motherearthnews.com/diy/square-foot-solar-cooker-diy-zm0z22djzawar/
Here is link to an article I had published recently.
How to pasteurize water, distill with the sun and other fun stuff.
https://www.motherearthnews.com/diy/square-foot-solar-cooker-diy-zm0z22djzawar/
SecretSolarInstitute 