Helium-3 has been available on earth for years - e.g. ; http://www.spectra-gases.com/StableIsotopes/he3cop y1/helium3.htm No one has a clue how to actually make commercial fusion work - even with helium-3 available. The challenge of putting the sun in an "engineered bottle" is too difficult for our dismal understanding of the strong interaction, such as string theory. There are many good reasons to go back to the moon, but getting helium-3 is not one of them. E.g. check out: http://www.space-frontier.org/Events/LunarDevel200 0/
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Helium-3 has been available on earth for years - e.g. ; http://www.spectra-gases.com/StableIsotopes/he3cop y1/helium3.htm No one has a clue how to actually make commercial fusion work - even with helium-3 available. The challenge of putting the sun in an "engineered bottle" is too difficult for our dismal understanding of the strong interaction, such as string theory. There are many good reasons to go back to the moon, but getting helium-3 is not one of them. E.g. check out: http://www.space-frontier.org/Events/LunarDevel200 0/