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

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How do we still have radioactive particles on earth despite the short length of their half lives and the relatively long time they have been on earth?

4584 upvotes

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Would a stream of fluid which responds to magnetism, like ferrofluid, flow faster or more efficiently through a pipe if a magnet is placed at the opposite end of the stream?

2 upvotes

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Where did all of the energy from the Earth cooling down go? and how much did that energy play a role in forming the the more complex chemical make up of modern earth?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How do we still have radioactive particles on earth despite the short length of their half lives and the relatively long time they have been on earth?	4584
Would a stream of fluid which responds to magnetism, like ferrofluid, flow faster or more efficiently through a pipe if a magnet is placed at the opposite end of the stream?	2
Where did all of the energy from the Earth cooling down go? and how much did that energy play a role in forming the the more complex chemical make up of modern earth?	1