Or maybe they have made it less safe. Consider the Fukushima disaster of 2011. The design at Fukushima had huge safety flaws. Its pumps were in a basement easily flooded by a tidal wave, a simple design mistake unlikely to be repeated in a more modern design. It was an old reactor and would have been phased out long since if Japan had still been... See more

Additionally, the heat engines that fission power plants use to convert fission energy into electricity (i.e., heat produces steam which turns a turbine) are incredibly inefficient. Another challenge for nuclear fission is optics and government backing. Demand for nuclear power has been heavily impacted by nuclear accidents. Today, nuclear power... See more