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cpearce | karma 143 | avg karma 3.86 · 2010-08-20 10:58:50+00:00

Better get cold fusion working, or find a way to mine asteroids profitably...

WorkerBee | karma 236 | avg karma 2.03 · 2010-08-20 08:35:03

Fusion works (in that it successfully fuses atoms) and has since the 1960s http://en.wikipedia.org/wiki/Fusor

You don't get more energy out than you put in, but if your goal is to make helium, that's hardly the point - just about every other industrial process also consumes energy.

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Retric | karma 55819 | avg karma 2.05 · 2010-08-20 18:41:03+00:00

The problem is you need to be really close to breakeven or your going to be wasting GWh per lb of helium.