TerraPower's Michael Anderson, manager of test engineers and technicians, stands in front of sodium loops used to test instruments during a to…

Chris Levesque, president and CEO of TerraPower, a company developing and building small nuclear reactors, displays a fuel assembly model, Thu…

Evan Kline, a test engineer at TerraPower, a company developing and building small nuclear reactors, works on a project there, Thursday, Jan. …

Signs warn of an experiment in progress at TerraPower, a company developing and building small nuclear reactors, Thursday, Jan. 13, 2022, in E…

TerraPower's Michael Anderson, manager of test engineers and technicians, holds a glass jar holding purified salt during a tour of the nuclear…

Chris Levesque, president and CEO of TerraPower, a company developing and building small nuclear reactors, poses for a photo in the company's …

A Bill Gates-backed company picked sleepy town in Wyoming as their location for a project that aims to reboot the nation’s nuclear energy

Chris Levesque, president and CEO of TerraPower, a company developing and building small nuclear reactors, displays a fuel assembly model, Thu…

Molten sodium sits in a beaker atop a hot plate as part of a demonstration at TerraPower, a company developing and building small nuclear reac…