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Witnesses press for new materials and test facilities to derisk path to fusion pilot plants
Summary
National‑lab and academic witnesses told the subcommittee that specialized test stands — including a prototypic neutron source, materials exposure facilities, and blanket/fuel‑cycle testbeds — are needed to qualify components and close scientific gaps before commercial fusion plants can be built.
Scientists and national‑lab officials told the House Science Subcommittee that specific, purpose‑built facilities are a prerequisite to move fusion from pilot prototypes to reliable power plants. "We need new facilities," said Troy Carter, director of the Fusion Energy Division at Oak Ridge National Laboratory. Carter described facilities called out in community roadmaps — a fusion prototypic neutron source, a materials plasma exposure experiment, and a blanket/fuel‑cycle facility — as…
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