Talkative Aliens (Narration Only)

Science & Futurism with Isaac Arthur · Aug 16, 2020 · 20m

The Search for Extra-Terrestrial Intelligence, SETI, relies on looking for signals from distant alien worlds where even very powerful signals can weaken to near nothing. We'll explore today how we, or extraterrestrials, might get around this problem, be it by immense star-powered transmitters or by using laser communication beams. Part 2 on The Exoplanets Channel: https://youtu.be/04AIXj78nJ0 Part 3 with Parallax Nick: https://www.youtube.com/watch?v=iim--dKNUIk Go to https://buyraycon.com/isaacarthur for 15% off your order! Brought to you by Raycon. Visit our Website…