A Thorium-Salt Reactor Has Fired Up for the First Time in Four Decades
23rd August 2017
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The road to cleaner, meltdown-proof nuclear power has taken a big step forward. Researchers at NRG, a Dutch nuclear materials firm, have begun the first tests of nuclear fission using thorium salts since experiments ended at Oak Ridge National Laboratory in the early 1970s.
Thorium has several advantages over uranium, the fuel that powers most nuclear reactors in service today. First, it’s much harder to weaponize. Second, as we pointed out last year in a long read on thorium-salt reactors, designs that call for using it in a liquid form are, essentially, self-regulating and fail-safe.