DARPA is funding room-temperature fusion in solids. They call it MARRS. They explicitly avoid the word “cold fusion.” The national security justification is already public.

“`html DARPA has launched the MARRS (Matter–Antimatter Reactor and Storage) program, aiming to achieve fusion reactions in solid materials at near room…

By AI Maestro May 19, 2026 1 min read
DARPA is funding room-temperature fusion in solids. They call it MARRS. They explicitly avoid the word “cold fusion.” The national security justification is already public.

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  • DARPA has launched the MARRS (Matter–Antimatter Reactor and Storage) program, aiming to achieve fusion reactions in solid materials at near room temperature. This is a significant departure from traditional cold fusion concepts.
  • The national security justification for this research underscores its potential impact on defense strategies by enabling more decentralized and robust energy systems. If successful, it could fundamentally alter how nations approach energy infrastructure and power generation.

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