Scientists have a new idea to make a fusion reactor practical

Scientists are hoping a new upgrade at U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) could finally make fusion power a reality — by harnessing the power of a silvery metal called lithium. As part of the Lithium Tokamak Experiment, a team of researchers are coating the inside walls of the reactor with lithium, the same stuff in the batteries in a wide range of electronics, to ensure that plasma remains super hot and highly pressurized inside the reactor — important conditions to get a shot at generating power from the reaction.

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