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by dragonshed 1400 days ago
[Layman, but I've read up quite a bit on thorium and molten salt reactor designs]

The 1959 Sodium Reactor experiment was to demonstrate the feasibility of a sodium-cooled reactor as the heat source for a commercial power reactor to produce electricity. It used fuel rods similar to rods used in reactors in operation today.

Conversely the The Molten Salt Reactor experiment[1] used uranium fuel dissolved into a salt as both fuel and coolant for the reactor - this design enables significant advantages over traditional reactors powered by solid fuel.

[1] https://en.wikipedia.org/wiki/Molten-Salt_Reactor_Experiment