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Pxtl
on Aug 1, 2014
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NASA presents evidence that microwave thrusters se...
Iirc, all Canadian CANDU reactors produce large amounts of weapons-grade plutonium.
sanxiyn
on Aug 1, 2014
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Which is exactly the problem. RTG needs Pu-238, and can't use weapons-grade plutonium, which is mainly Pu-239.
astrodust
on Aug 7, 2014
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That design has also been altered by India to consume the plutonium by-product, using it as fuel.
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