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A comment on Freeman Dyson: Gravitational Machines. Parent comment

Re:Freeman Dyson: Gravitational Machines by comboy on Friday June 09, 2023 @03:36PM (#36262992)
What other options are there apart from mentioned gravity? I mean there are waves in materials like sound but that seem to be easier than EM.
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Re:Freeman Dyson: Gravitational Machines by alach11 on Friday June 09, 2023 @05:39PM (#36264518)
Neutrinos, perhaps.
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Re:Freeman Dyson: Gravitational Machines by comboy on Friday June 09, 2023 @07:33PM (#36265790)
Ah, right, that's indeed high on the difficulty chart.
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