There isn’t time for a “just keep working on the next reactor.” We have to decarbonize the entire economy in a ridiculously short time, and that means either (1

There isn’t time for a “just keep working on the next reactor.” We have to decarbonize the entire economy in a ridiculously short time, and that means either (1) focusing on technologies that already have an exponential adoption/price curve, or (2) making decisive and massive investments in nuclear to get the technology onto such a curve. Anything else is going to be mostly irrelevant.