/u/Eichelwoods's posts in /r/askscience

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There are 3500 calories in 1 pound of fat, but our bodies aren’t 100% efficient so how many calories go to actually mechanical work vs. heat and other inefficiency.

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If all matter in the universe came from the same location during the Big Bang, then was the universe basically one massive black hole before the Big Bang?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
There are 3500 calories in 1 pound of fat, but our bodies aren’t 100% efficient so how many calories go to actually mechanical work vs. heat and other inefficiency.	1
If all matter in the universe came from the same location during the Big Bang, then was the universe basically one massive black hole before the Big Bang?	1