Inherently safe reactors and a second nuclear era

The Swedish PIUS reactor and the German-American small modular high-temperature gas-cooled reactor are inherently safe - that is, their safety relies not upon intervention of humans or of electromechanical devices but on immutable principles of physics and chemistry. A second nuclear era may require commercialization and deployment of such inherently safe rectors, even though existing light-water reactors appear to be as safe as other well-accepted sources of central electricity, particularly hydroelectric dams