/u/HippityHoppityBoop's posts

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ELI5: How do skyscrapers get built straight up without any leaning or imperfections or off angle walls? How does the concrete get poured so perfectly?

1463 upvotes • r/explainlikeimfive

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Blackjack etiquette: are you allowed to watch a friend play and jump in with your own money when the count is high?

13 upvotes • r/blackjack

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If society collapsed, is there a repository of human knowledge that could quickly bring survivors up to speed on all science and technology so they don’t have to start from scratch?

4 upvotes • r/NoStupidQuestions

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When does war become a rational decision?

1 upvotes • r/WarCollege

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
ELI5: How do skyscrapers get built straight up without any leaning or imperfections or off angle walls? How does the concrete get poured so perfectly?	1463	explainlikeimfive
Blackjack etiquette: are you allowed to watch a friend play and jump in with your own money when the count is high?	13	blackjack
If society collapsed, is there a repository of human knowledge that could quickly bring survivors up to speed on all science and technology so they don’t have to start from scratch?	4	NoStupidQuestions
When does war become a rational decision?	1	WarCollege