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A comment on Astronomers detect regular rhythm of radio waves, with origins unknown. Parent comment

Re:Astronomers detect regular rhythm of radio waves, with or... by pgt on Sunday June 28, 2020 @10:34AM (#23668953)
You just made me realize that it would be cheaper for an advanced civilization to send a message light years away by altering the medium through which the signal passes than to control the source directly, e.g. a neutron star.
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Re:Astronomers detect regular rhythm of radio waves, with or... by aaaxyz on Sunday June 28, 2020 @12:25PM (#23669867)
The Three Body Problem trilogy by Liu Cixin might interest you
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Re:Astronomers detect regular rhythm of radio waves, with or... by throw1234651234 on Monday June 29, 2020 @11:56AM (#23678742)
That book is garbage and the author doesn't understand science, let alone writing. Just heads up for all the recommendations spammed on here.

Though his creative interpretation of higher dimensions was interesting (sending the tiny probe that unfolds on earth).

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