💻 Technology Aug 26, 2026 · Kurt Polzin

A New NASA Design Turbocharges Nuclear Spacecraft

IEEE Spectrum
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A New NASA Design Turbocharges Nuclear Spacecraft
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Summary NASA and industry engineers propose a synchronal bimodal nuclear rocket (S‑BNR) to dramatically cut transit times to destinations around the solar system, such as Mars, by combining nuclear thermal and electric propulsion. S‑BNR uses a single reactor with two independent fluid loops and correspondingly optimized fuel zones, eliminating complex mode-switching valves while providing both high thrust and continuous electric power. Major challenges include developing fuel elements that inte

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