The second most abundant element in the universe, helium is rare on Earth. In liquid form it is used as a coolant in super conducting magnets in MRI scanners – so should this rare element be used in s...Show More
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epekilis recommended:Sep 3rd, 2020
So interesting. Series looks at elements from an applied economic perspective. I had no idea helium was a) rare on Earth and b) essentially a natural gas by-product so the supply is finite. Globally, the main source of helium for many decades has been the US federal helium reserve which was set up...Show More
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