Cosmic Shielding tested radiation-shielded Nvidia hardware at the Heavy Ion Medical Accelerator in Chiba, Japan. Credit: Cosmic Shielding

WASHINGTON — A startup named Cosmic Shielding says it has found a way to close the technology gap that limits how much computing power satellites can carry into orbit.

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Sandra Erwin writes about military space programs, policy, technology and the industry that supports this sector. She has covered the military, the Pentagon, Congress and the defense industry for nearly two decades as editor of NDIA’s National Defense...