Is There a Future Civilization Out There?

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I think if you had something, I can imagine something like a prime number sequence or mathematical sequence like the Fibonacci series something being broken. Practically, provable that this is not a physical phenomenon. But of course, a radio thing is just not going to work there because it has have a power source and that's a piece of machinery will eventually break down. And so you wanted something that was kind of passive that doesn't require an energy source but can somehow transmit information. So I'm going to be in my proposal by one of my colleagues, Lucan Oud, which inspired a lot of us and technosignatures. He suggested that you could build artificial transitors

David Kipping is an astronomer at Columbia University, director of the Cool Worlds Lab, and host of the Cool Worlds YouTube channel. Please support this podcast by checking out our sponsors:
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OUTLINE:
Here’s the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time.
(00:00) – Introduction
(05:10) – Habitable exoplanets
(15:30) – Alien life in our Solar System
(27:20) – Starship
(31:28) – James Webb Space Telescope
(44:47) – Binary planets
(55:04) – Exomoons and Kepler-1625b
(1:08:34) – Discoveries of alien life
(1:22:15) – Aliens
(2:08:43) – Oort clouds
(2:19:30) – Future of astronomy
(2:32:45) – Alpha Centauri
(2:45:03) – Kardashev scale
(2:56:41) – AI and space exploration
(3:13:37) – Great Filter
(3:24:51) – Colonization of Mars
(3:31:35) – Simulation hypothesis
(3:43:48) – Advice for young people
(3:48:06) – Meaning of life