NASA NIAC funded the Thin-Film Nuclear Engine Rocket (TFINER). By May 2025, it advanced to Phase II, focusing on maturing the technology, mission designs, small-scale thruster experiments, and isotope production pathways in collaboration with Northwestern University, Yale University, Los Alamos National Laboratory, and NASA Marshall Space Flight Center (MSFC) for hybrid architectures. A single stage ...

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Link :
https://www.nextbigfuture.com/2025/08/204879.html