NASA's Glenn Research Center in Cleveland is preparing to test a technology, known as a regenerative fuel cell system, over the next few months, which could revolutionize the way NASA stores energy during future Moon missions.
The system, about as long as a sedan and as tall as a person, operates like a rechargeable battery. When power is needed, it's designed to combine hydrogen and oxygen gas into water, heat, and electricity, and then "recharge" by splitting the water back into hydrogen and oxygen — all on the lunar surface.
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by Joji Xavier
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