Re:Background on the Falcon 9 Launch
by dcgoss on Tuesday December 22, 2015 @09:54PM
(#10781721)
Elon's whole gravity explanation is essentially a textual version of this excellent video/demonstration: https://www.youtube.com/watch?v=MTY1Kje0yLg (19 million views). Highly recommended, very memorable.
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Re:Background on the Falcon 9 Launch
by enraged_camel on Tuesday December 22, 2015 @10:12PM
(#10781750)
Yep, came here to post this. The funny thing is that there was a post about that video a while back, and the HN crowd criticized it pretty heavily for being a bad way to explain gravity. But... whatever. :)
Here is the discussion, which was interesting but inconclusive about the merits of this rubber sheet model: https://news.ycombinator.com/item?id=8542244