The high-temperature gas-cooled reactor would be the ultimate decarbonized power source. It would produce green hydrogen while generating electricity.
The High Temperature Engineering Test Reactor is not susceptible to core meltdowns. It is the type of small modular reactor that the world is calling for.
Picture Courtesy of Japan Nuclear Agency: Core of a HTTR About 3 Meters Wide Comprised of Hexagonal Blocks, Very Different from Classic Light Water Nuclear...