On related note - there is also http://en.wikipedia.org/wiki/Muon-catalyzed_fusion http://en.wikipedia.org/wiki/Muon-catalyzed_fusion - also works in "lower" te

On related note - there is also http://en.wikipedia.org/wiki/Muon-catalyzed_fusion http://en.wikipedia.org/wiki/Muon-catalyzed_fusion - also works in "lower" temperature, just needs some muons...