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f5thesystem | 6 years ago

Nuclear fusion can provide all the helium we could need in the future.

discuss

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DennisP|6 years ago

Fusion produces such a large amount of energy for such a small amount of fuel, it's unlikely to be a significant source of helium.

However, controlled fusion would let us build fantastic rockets, so we could harvest all the helium we want from the outer planets.

adrianN|6 years ago

A fusion reactor produces what, a few dozen grams a year?

f5thesystem|6 years ago

Are you asking about current reactors or ones in the future that are powering civilization and fusing hydrogen continuously?