Fire from Moonlightwhat-if.xkcd.com 2 pointsrylittle3 years ago1 commentSaveHideCopy link On HNComments−rylittleOP3yHaving 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?
Comments
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?