Tag Archives: The Power of Kairos

The US wants to build a different kind of nuclear reactor from a decades-old concept that could power ships and other off-grid sites

Molten salts are used as coolants at the Papyrus plant at CEA Cadarache in Saint-Paul-les-Durance, France.Nicolas Tucat/AFP via Getty Images Molten salt reactors were first built in the 1950s but have not been used in the United States since the 1970s. The U.S. Nuclear Regulatory Commission recently issued a permit to build a molten salt… Read More »