What if everyone jumped at once?
What if everyone jumped at once? Get a copy of What If? 2 and Randall’s other books at: https://xkcd.com/books More serious answers to absurd questions at: https://what-if.xkcd.com/ What would happen if everyone on earth stood as close to each other as they could, jumped, and landed on the ground all at the same instant? RandalxkcdLINK