/u/[deleted]'s posts in /r/askscience
How can a modern car engine have a compression ratio of 11.5 to 1, and still run on 87 octane gasoline?
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280 upvotes
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279 upvotes
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If whales evolved from rat-like land mammals, how did their blow-holes develop and how did their size so substantially increase?
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[Chemistry] When you burn a pan, boiling water with vinegar in it makes it a lot easier to clean up. Why does that happen?
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274 upvotes
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