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by perihelions
593 days ago
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You're overlooking the other requirement of the blanket—that it captures fusion neutrons to breed tritium, and provides a self-sustaining, closed fuel cycle. Lithium is mandatory for a D+T reactor blanket, because of these reactions: https://en.wikipedia.org/wiki/Tritium#Lithium (Do you have a link about that beryllium nuclear lightbulb rocket? It sounds interesting). |
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