Nuclear fusion is the source of all usable energy in the universe, and the ability to master this process on the planet Earth means we can get 700 gallons of gasoline worth of energy out of a gallon of seawater by burning naturally occurring deuterium, an isotope of hydrogen.
While the sun compresses hydrogen to fusion conditions with gravity, here on Earth its a bit different: compressing plasma to fusion conditions has been a long and steady march of technical and engineering progress for over 60 years of publicly funded science, and the torch has now been passed to a new generation of…

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