Lord Martin Rees is a cosmologist and astrophysicist at Cambridge University and co-founder of the Centre for the Study of Existential Risk. Please support this podcast by checking out our sponsors:

– Lambda: https://lambdalabs.com/lex (https://lambdalabs.com/lex)

– InsideTracker: https://insidetracker.com/lex (https://insidetracker.com/lex) to get 20% off

– Indeed: https://indeed.com/lex (https://indeed.com/lex) to get $75 credit

– ExpressVPN: https://expressvpn.com/lexpod (https://expressvpn.com/lexpod) and use code LexPod to get 3 months free

– Onnit: https://lexfridman.com/onnit (https://lexfridman.com/onnit) to get up to 10% off

EPISODE LINKS:

Martin’s Twitter: https://twitter.com/lordmartinrees (https://twitter.com/lordmartinrees)

Martin’s Website: https://www.martinrees.uk (https://www.martinrees.uk)

Martin’s Books:

If Science is to Save Us: https://amzn.to/3yXRqsc (https://amzn.to/3yXRqsc)

The End of Astronauts: https://amzn.to/3B604ro (https://amzn.to/3B604ro)

On the Future: https://amzn.to/3OlzLjB (https://amzn.to/3OlzLjB)

PODCAST INFO:

Podcast website: https://lexfridman.com/podcast (https://lexfridman.com/podcast)

Apple Podcasts: https://apple.co/2lwqZIr (https://apple.co/2lwqZIr)

Spotify: https://spoti.fi/2nEwCF8 (https://spoti.fi/2nEwCF8)

RSS: https://lexfridman.com/feed/podcast/ (https://lexfridman.com/feed/podcast/)

YouTube Full Episodes: https://youtube.com/lexfridman (https://youtube.com/lexfridman)

YouTube Clips: https://youtube.com/lexclips (https://youtube.com/lexclips)

SUPPORT & CONNECT:

– Check out the sponsors above, it’s the best way to support this podcast

– Support on Patreon: https://www.patreon.com/lexfridman (https://www.patreon.com/lexfridman)

– Twitter: https://twitter.com/lexfridman (https://twitter.com/lexfridman)

– Instagram: https://www.instagram.com/lexfridman (https://www.instagram.com/lexfridman)

– LinkedIn: https://www.linkedin.com/in/lexfridman (https://www.linkedin.com/in/lexfridman)

– Facebook: https://www.facebook.com/lexfridman (https://www.facebook.com/lexfridman)

– Medium: https://medium.com/@lexfridman (https://medium.com/@lexfridman)

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

(06:39) – Understanding the universe

(15:09) – Human limitations and AI

(24:05) – Dark matter

(31:25) – Vast universe

(39:07) – Alien life

(52:59) – Space exploration

(1:17:22) – Future technology

(1:28:44) – Newton and Einstein

(1:32:46) – Black holes

(1:46:27) – Cosmological threats

(2:13:31) – Advice for young people

(2:16:02) – Mortality