Science & Futurism with Isaac Arthur

Galactic Beacons (11x29)

Uitzenddatum: Apr 27, 2025

It can be hard to hear a signal 100 miles away—so what does it take to build a beacon loud enough to be heard 100,000 light years away? In this episode, we explore galactic beacons: powerful transmissions that may teach, warn, or outlast the minds that made them.