From Pulsars to Megastructures: A Spectrum of Galactic Beacon Concepts for Long‑Lived, Omnidirectional Signaling
To the point
An exploration of interstellar beacon ideas shows a range of possible designs—from synchronized pulsars and megastructures to spectrum tricks—used by a near-omnipotent civilization to signal across 20,000 light-years, with Miss Understands arguing that proving existence may be enough and no single solution resolves the Fermi paradox.
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