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Re:Freeman Dyson: Gravitational Machines by mrkstu on Friday June 09, 2023 @05:17PM (#36264279)
Makes sense, though if you'd asked me before your explanation, I'd have thought the idea of accelerating at high speed without leaving free fall impossible.
Re:Freeman Dyson: Gravitational Machines by perihelions on Friday June 09, 2023 @07:51PM (#36265936)
It's a free fall that leaves the system at a different speed than it arrives!