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Saturday, 14 November 2020

Project Excalibur

  November 14, 2020      No comments   Edit
Project Excalibur. Project Excalibur was an American Cold War–era research program to develop nuclear-device-powered, space-based X-ray lasers as a ballistic missile defense. X-ray lasers were conceived in the 1970s by George Chapline Jr. (pictured with George Maenchen) and further developed by...
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