I wish they would be more up-front about the specifics of their technical proposal and how it compares to other proposals, since it was not at all obvious to me at first glance.<p>What I think they're actually proposing (correct me if I'm wrong): a uranium molten salt fast breeder reactor that drives a steam turbine. So, much more ambitious than what's currently on the market, with better fuel utilization. As compared to, say, the Flibe Energy/Kirk Sorensen/LFTR crowd, it's mixed: it sounds like these folks have some new innovations around moderators and salts, and the stuff about consuming existing waste is compelling, but they're sticking with a uranium fuel cycle rather than thorium (though it sounds like they're getting proliferation resistance in other ways), and they're sticking with a steam turbine vs. proposed gas turbines that could yield some more efficiency and compactness in proposed thorium MSR designs.<p>EDIT: looks like I might have been wrong about the neutron temperature; their white paper says thermal, not fast.<p>EDIT 2: the white paper actually has all kinds of great stuff in it, now that I've read the rest: <a href="http://www.transatomicpower.com/wp-content/uploads/2015/04/transatomic-white-paper.pdf" rel="nofollow">http://www.transatomicpower.com/wp-content/uploads/2015/04/t...</a> ... In particular, it sounds like this is the first planned design, but they offer some potential future variations. They say this design could be adapted to Thorium fairly straightforwardly, but advocate uranium at least initially because of advantages in the existence of a supply chain around it and the availability of uranium spent nuclear fuel. They also mention Brayton cycle gas turbines as a possible future improvement, among others.