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#157 – Natalya Bailey: Rocket Engines and Electric Spacecraft Propulsion

Lex Fridman Podcast

Conversations that explore technology, history, philosophy, physics, mathematics, biology, chemistry, engineering, AI, robotics, programming, music, film, art, sports, psychology, neuroscience, geopolitics, business, economics, religion, astronomy, and the human condition with people from all walks of life.

Natalya Bailey is a rocket propulsion engineer from MIT and now CTO of Accion Systems. Please support this podcast by checking out our sponsors:
- Munk Pack: https://munkpack.com and use code LEX to get 20% off
- Four Sigmatic: https://foursigmatic.com/lex and use code LexPod to get up to 60% off
- Blinkist: https://blinkist.com/lex and use code LEX to get 25% off premium
- Sun Basket: https://sunbasket.com/lex and use code LEX to get $35 off

EPISODE LINKS:
Natalya's Twitter: https://twitter.com/natalya926
Accion Systems: https://accion-systems.com/

PODCAST INFO:
Podcast website: https://lexfridman.com/podcast
Apple Podcasts: https://apple.co/2lwqZIr
Spotify: https://spoti.fi/2nEwCF8
RSS: https://lexfridman.com/feed/podcast/
YouTube Full Episodes: https://youtube.com/lexfridman
YouTube Clips: 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
- Twitter: https://twitter.com/lexfridman
- Instagram: https://www.instagram.com/lexfridman
- LinkedIn: https://www.linkedin.com/in/lexfridman
- Facebook: https://www.facebook.com/LexFridmanPage
- Medium: 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
(06:51) - Intelligent life in the universe
(10:52) - Life in our solar system
(12:57) - Humans on Mars
(16:31) - Robots vs human in space exploration
(17:25) - AI in space
(21:30) - How rocket engines work
(26:47) - How ion engines work
(31:10) - How colloid engines work
(40:07) - Material science
(42:57) - Nuclear powered rocket engines
(47:56) - Electric propulsion out in space
(51:23) - Satellites
(56:17) - Photo of Earth from the Moon
(57:55) - Humans on Mars
(1:00:17) - Propulsion without fuel
(1:08:12) - How to build a rocket company
(1:15:10) - SpaceX and commercial spaceflight
(1:19:42) - Advice to startup founders
(1:26:18) - Book recommendations
(1:34:36) - Meaning of life

Natalya Bailey is a rocket propulsion engineer from MIT and now CTO of Accion Systems. Please support this podcast by checking out our sponsors: 
– Munk Pack: <a href="https://munkpack.com">https://munkpack.com</a> and use code LEX to get 20% off 
– Four Sigmatic: <a href="https://foursigmatic.com/lex">https://foursigmatic.com/lex</a> and use code LexPod to get up to 60% off 
– Blinkist: <a href="https://blinkist.com/lex">https://blinkist.com/lex</a> and use code LEX to get 25% off premium 
– Sun Basket: <a href="https://sunbasket.com/lex">https://sunbasket.com/lex</a> and use code LEX to get $35 off
EPISODE LINKS: 
Natalya’s Twitter: <a href="https://twitter.com/natalya926">https://twitter.com/natalya926</a> 
Accion Systems: <a href="https://accion-systems.com/">https://accion-systems.com/</a>
PODCAST INFO: 
Podcast website: <a href="https://lexfridman.com/podcast">https://lexfridman.com/podcast</a> 
Apple Podcasts: <a href="https://apple.co/2lwqZIr">https://apple.co/2lwqZIr</a> 
Spotify: <a href="https://open.spotify.com/show/2MAi0BvDc6GTFvKFPXnkCL">https://open.spotify.com/show/2MAi0BvDc6GTFvKFPXnkCL</a> 
RSS: <a href="https://lexfridman.com/feed/podcast/">https://lexfridman.com/feed/podcast/</a> 
YouTube Full Episodes: <a href="https://youtube.com/lexfridman">https://youtube.com/lexfridman</a> 
YouTube Clips: <a href="https://youtube.com/lexclips">https://youtube.com/lexclips</a>
SUPPORT & CONNECT: 
– Check out the sponsors above, it’s the best way to support this podcast 
– Support on Patreon: <a href="https://www.patreon.com/lexfridman">https://www.patreon.com/lexfridman</a> 
– Twitter: <a href="https://twitter.com/lexfridman">https://twitter.com/lexfridman</a> 
– Instagram: <a href="https://www.instagram.com/lexfridman">https://www.instagram.com/lexfridman</a> 
– LinkedIn: <a href="https://www.linkedin.com/in/lexfridman">https://www.linkedin.com/in/lexfridman</a> 
– Facebook: <a href="https://www.facebook.com/LexFridmanPage">https://www.facebook.com/LexFridmanPage</a> 
– Medium: <a href="https://medium.com/@lexfridman">https://medium.com/@lexfridman</a>
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 
(06:51) – Intelligent life in the universe 
(10:52) – Life in our solar system 
(12:57) – Humans on Mars 
(16:31) – Robots vs human in space exploration 
(17:25) – AI in space 
(21:30) – How rocket engines work 
(26:47) – How ion engines work 
(31:10) – How colloid engines work 
(40:07) – Material science 
(42:57) – Nuclear powered rocket engines 
(47:56) – Electric propulsion out in space 
(51:23) – Satellites 
(56:17) – Photo of Earth from the Moon 
(57:55) – Humans on Mars 
(1:00:17) – Propulsion without fuel 
(1:08:12) – How to build a rocket company 
(1:15:10) – SpaceX and commercial spaceflight 
(1:19:42) – Advice to startup founders 
(1:26:18) – Book recommendations 
(1:34:36) – Meaning of life

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#157 – Natalya Bailey: Rocket Engines and Electric Spacecraft Propulsion

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