Tim Dodd: SpaceX, Starship, Rocket Engines, and Future of Space Travel | Lex Fridman Podcast #356

Tim Dodd is host of the Everyday Astronaut YouTube channel, where he teaches about rocket engines and all things space travel. Please support this podcast by checking out our sponsors: - BetterHelp: https://betterhelp.com/lex to get 10% off - MasterClass: https://masterclass.com/lex to get 15% off - Shopify: https://shopify.com/lex to get free trial - ExpressVPN: https://expressvpn.com/lexpod to get 3 months free EPISODE LINKS: Tim's YouTube: https://youtube.com/@EverydayAstronaut Tim's Twitter: https://twitter.com/Erdayastronaut Tim's Instagram: https://instagram.com/everydayastronaut Tim's Website: https://everydayastronaut.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/ Full episodes playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOdP_8GztsuKi9nrraNbKKp4 Clips playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOeciFP3CBCIEElOJeitOr41 OUTLINE: 0:00 - Introduction 0:48 - SpaceX rockets 21:26 - Falcon 9 25:37 - Starship 29:57 - SpaceX rocket engines 37:35 - Elon Musk 53:10 - Twitter 59:15 - How rocket engines work 1:04:07 - Rocket fuel 1:07:33 - Rocket engine cycles 1:19:57 - Rocket cooling 1:34:54 - Multistage rockets 1:38:27 - Single-stage-to-orbit 1:44:03 - Aerospike engine 1:51:48 - Greatest car engine of all time 1:56:57 - Starship 1:59:48 - Wet dress rehearsal 2:05:59 - Landing 2:20:17 - Seeing starship in person 2:29:24 - Starship orbital test 2:36:02 - Gwynne Shotwell 2:41:12 - dearMoon project 3:00:16 - Fear of death 3:08:42 - Everyday Astronaut origin story 3:34:33 - Soviet Rocket Engine History 3:53:20 - Russia, China, USA 4:07:49 - Starlink 4:15:36 - First human on Mars 4:18:34 - Moon landing 4:24:41 - Nuclear propulsion 4:32:21 - Bob Lazar 4:39:24 - Aliens 4:43:11 - Sci-fi books 4:46:29 - Long-term space travel 4:53:17 - SpaceX competitors 5:04:37 - Kerbal Space Program 5:11:02 - Advice for young people SOCIAL: - Twitter: https://twitter.com/lexfridman - LinkedIn: https://www.linkedin.com/in/lexfridman - Facebook: https://www.facebook.com/lexfridman - Instagram: https://www.instagram.com/lexfridman - Medium: https://medium.com/@lexfridman - Reddit: https://reddit.com/r/lexfridman - Support on Patreon: https://www.patreon.com/lexfridman