When I was in junior high, a solar oven, made of a small parabolic mirror, was a popular science fair project, and it was also much ballyhooed as a solution for the developing world or for science-y camping. Nowadays, I’ll bet it’s touted as a carbon-free environmental solution.
I even saw a speculative pseudo-science piece on A&E once that said such mirrors could have been the fabled Greek Fire. (Unlikely.)
But I never thought of supersizing it! Imagine the gold medals I would have won if I had had a solar oven that could melt steel.
Grant Hamilton
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