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Nuclear Engine Has Promise for Deep-Space Travel

Writer: OurStudioOurStudio

Researchers have tested a small prototype of a nuclear-reactor engine design that could one day power deep-space exploration probes.

The proposed design is based on a Stirling engine – an engine first invented in the 19th century that uses hot pressurized gas to push a piston. It would use a 50-pound nuclear uranium battery to generate heat that is then carried to eight Stirling engines to produce about 500 watts of power.

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