/r/askscience

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Diamonds are just carbon, so what would it take to burn them?

1426 upvotes • BRBaraka

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What's the most massive black hole that could strike the earth without causing any damage?

1426 upvotes • Syscrush

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Why do we do the order of operations in the way that we do?

1425 upvotes • FubsyGamr

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Say I had a beaker of water at room temperature and threw in one salt molecule (NaCl). The Salt would separate into Na and Cl ions. What if I was able to separate the water containing the Na ion from the water containing the Cl ion and evaporated them, what would happen to the ions?

1424 upvotes • HookLifestyle

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AskScience AMA Series: I'm Jon Schwantes from Pacific Northwest National Laboratory, and my team is working to uncover the origin of uranium "Heisenberg" cubes that resulted from Nazi Germany's failed nuclear program. Ask me anything!

1424 upvotes • AskScienceModerator

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Why do we get tired and how does sleep fix it?

1424 upvotes • pamadathrowit

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Why do small blackholes emit more Hawking radiation than large ones?

1422 upvotes • Prowsey

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Why do people with Down's Syndrome look very much alike?

1421 upvotes • gonadsdestroyer

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Can and how protons fuse?

1421 upvotes • Meidlim

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Two bowling balls are at rest 5 Megaparsecs apart, and connected with a cable. Is there any tension in the cable caused by universal expansion?

1421 upvotes • TheFuzziestDumpling

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Diamonds are just carbon, so what would it take to burn them?	1426	BRBaraka
What's the most massive black hole that could strike the earth without causing any damage?	1426	Syscrush
Why do we do the order of operations in the way that we do?	1425	FubsyGamr
Say I had a beaker of water at room temperature and threw in one salt molecule (NaCl). The Salt would separate into Na and Cl ions. What if I was able to separate the water containing the Na ion from the water containing the Cl ion and evaporated them, what would happen to the ions?	1424	HookLifestyle
AskScience AMA Series: I'm Jon Schwantes from Pacific Northwest National Laboratory, and my team is working to uncover the origin of uranium "Heisenberg" cubes that resulted from Nazi Germany's failed nuclear program. Ask me anything!	1424	AskScienceModerator
Why do we get tired and how does sleep fix it?	1424	pamadathrowit
Why do small blackholes emit more Hawking radiation than large ones?	1422	Prowsey
Why do people with Down's Syndrome look very much alike?	1421	gonadsdestroyer
Can and how protons fuse?	1421	Meidlim
Two bowling balls are at rest 5 Megaparsecs apart, and connected with a cable. Is there any tension in the cable caused by universal expansion?	1421	TheFuzziestDumpling