You mean like the solar water heaters that were in Popular Mechanics back in the 70's.

Why not use a drum painted black to heat water on your roof for starters? Or how about building a solar oven? Similarly, we could utilize large polished metal dishes to conc…
Solar Panels: Another Exercise in Magical Thinking
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Tim Knowles
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Aug 8, 2023
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You mean like the solar water heaters that were in Popular Mechanics back in the 70's. Well, duh. Still being done but smart people.
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Written by Tim Knowles760 Followers
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Worked in our nations space programs for more than 40 years
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