EFEDaejeon, South Korea

KSTAR, the South Korean nuclear fusion research device continues to break its own records and take steps to make a new type of electricity generation a reality that helps solve environmental and energy challenges of the world.

The milestone achieved at the end of last year is difficult to understand for someone unfamiliar with nuclear fusion: the huge device kept active a flow of plasma with ions at a temperature of 100 million C for 30 seconds.EFE