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For more on this discussion visit https://federalnewsnetwork.com/federaldrive\nIt didn't last very long, but scientists at the National Nuclear Security Administration (NNSA) did run\xa0a test that resulted in nuclear fusion late last year. Fusion means\xa0the reaction put out more energy than the input to produce it. The proof of concept got lots of acclaim. And it produced finalists in the Service to America Medals program. Federal Drive Host Tom Temin spoke with those Sammies finalists: Dr. Sarah Nelson, Director of NNSA's Defense Programs Office and Dr. Samantha Calkins, Program Manager for High Density and Ignition Science.\nLearn more about your ad choices. Visit podcastchoices.com/adchoices