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NASA’s New Shortcut to Fusion Power

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But these generators convert heat to electricity at roughly 7.5 The deuterated erbium (chemical symbol ErD 3 ) is placed into thumb-size vials, as shown in this set of samples from a 20 June 2018 experiment. percent efficiency. And modern spacecraft need more power than an RTG of reasonable size can provide. Researchers at the U.S.

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