Comment by ggm

Commence, maybe. Given their lead in pebble bed, I wonder why? Probably competing teams and competing funding and goals. Thorium was in test decades ago in the USA and its applicability to large scale power with lower proliferation risk is given. I think the article's pointing out how much usable thorium China has as a side effect of rare earth mining may get to the heart of things: people with giant trash piles look for ways to monetise.