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Fusion power has long been the dream of those seeking endless energy supplies, although efforts to smash atomic particles together and harness their energy have been dubious at best. Now a NASA scientist is proposing a new form of fusion-based energy to power a deep space probe.
Instead of using fusion’s excess energy to drive a generator, it would use the kinetic energy of radioactive decay particles to provide thrust.
John J. Chapman, a physicist and electronics engineer at NASA’s Langley Research Center, proposes a boron-based fusion motor instead of a system based on deuterium and tritium. He explained the system at an IEEE Symposium on Fusion Engineering in Chicago this week.