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Re:Project Hyperion: Interstellar ship design competition by slightwinder on Thursday August 07, 2025 @07:55AM (#44823314)
> We had the technology to do it in 44 years 60 years ago:

No, we had not. That was only theoretical work, no real technology, not even a prototype.

Re:Project Hyperion: Interstellar ship design competition by m4rtink on Thursday August 07, 2025 @08:40AM (#44823725)
IIRC there were sub-scale test done with chemical explosives. Also Feynman said it should work. :)