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

Tech Insider
A circular window with molten salt pouring onto a surface
Molten salts are used as coolants in the Papirus installation at CEA Cadarache in Saint-Paul-les-Durance, France.

Nicolas Tucat/AFP via Getty Images

2 nuclear reactors that can power 1 million US homes with clean, sustainable energy is $21 billion over budget and years behind schedule

Tech Insider
two cooling towers for a nuclear reactor appear above their power plants with many transmission lines running from them
Units 3, left, and 4 and their cooling towers stand at Georgia Power Co.'s Plant Vogtle nuclear power plant in Waynesboro, Georgia.

AP Photo/John Bazemore

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