Unlike conventional designs, the proposed reactor is self-regulating through the inherent properties of uranium hydride, which serves as a combination fuel and moderator. The temperature-driven mobility of the hydrogen contained in the hydride controls the nuclear activity. If the core temperature increases over the set point, the hydrogen is driven out of the core, the moderation drops, and the power production decreases. If the temperature drops, the hydrogen returns and the process is reversed. Thus the design is inherently fail-safe and will require minimal human oversight. The compact nature and inherent safety open the possibility for low-cost mass production and operation of the reactors.
I'm sure a Google search or Wikipedia search would net you more.
From what I understand, they're merely a modified version of a Radioisotope Thermoelectric Generator. They'll use thermocouples to directly produce electricity from the heat emitted from the radioactive decay. Ordinary RTG's are generally more complicated, but that's because they're launched into space and there's no simply switching out the generator if something goes iffy.
I imagine how they'd be installed would be inside a concrete bunker of sorts. The company would build a underground container with connections leading to the outside installed when the concrete is setting like most foundation works and then place a multi-tonne concrete slab on top so that only someone with a back-hoe and crane can even get to them and open the things. They could easily be placed somewhere even more secure like installed on police property in small communities.
Unlike conventional designs, the proposed reactor is self-regulating through the inherent properties of uranium hydride, which serves as a combination fuel and moderator. The temperature-driven mobility of the hydrogen contained in the hydride controls the nuclear activity. If the core temperature increases over the set point, the hydrogen is driven out of the core, the moderation drops, and the power production decreases. If the temperature drops, the hydrogen returns and the process is reversed. Thus the design is inherently fail-safe and will require minimal human oversight. The compact nature and inherent safety open the possibility for low-cost mass production and operation of the reactors.
I'm sure a Google search or Wikipedia search would net you more.