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Fire from Moonlight
(what-if.xkcd.com)
2 points
by
rylittle
2 years ago
| 1 comment
Fire from Moonlight | Dark Hacker News
rylittle
2 years ago
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Having trouble wrapping my head around this...how can you not use an array of lenses to focus many images of the sun onto a single very hot image on the earths surface?