an area directly under the reactor's core. Officials had long hoped to reach the area to examine the core and melted nuclear ...

They allow scientists to study how different materials behave under intense conditions inside a reactor core. Traditionally, these capsules are made using conventional machining techniques.

The nuclear fusion firm aims to advance its cost-effective tech with a funding deal, as Chinese competition grows in the global fusion race.

The scientists achieved this sustained nuclear reaction, the first created by humans, on Dec. 2, 1942, in a squash court under the stands of Stagg Field at the University of Chicago. Nicknamed ...