#118 – Grant Sanderson: Math, Manim, Neural Networks & Teaching with 3Blue1Brown

Grant Sanderson is a math educator and creator of 3Blue1Brown. Support this podcast by supporting our sponsors: – Dollar Shave Club: https://dollarshaveclub.com/lex – DoorDash: download app & use code LEX – Cash App: download app & use code “LexPodcast” Episode links: 3Blue1Brown: http://youtube.com/3blue1brown Grant’s Twitter: https://twitter.com/3blue1brown If you would like to get more information about this podcast go to https://lexfridman.com/podcast or connect with @lexfridman on Twitter , LinkedIn , Facebook , Medium , or YouTube where you can watch the video versions of these conversations. If you enjoy the podcast, please rate it 5 stars on Apple Podcasts , follow on Spotify , or support it on Patreon . Here’s the outline of the episode. On some podcast players you should be able to click the timestamp to jump to that time. OUTLINE: 00:00 – Introduction 05:13 – Richard Feynman 09:41 – Learning deeply vs broadly 13:56 – Telling a story with visualizations 18:43 – Topology 23:52 – Intuition about exponential growth 32:28 – Elon Musk’s exponential view of the world 40:09 – SpaceX and space exploration 45:28 – Origins of the Internet 49:50 – Does teaching on YouTube get lonely? 54:31 – Daily routine 1:00:20 – Social media 1:10:38 – Online education in a time of COVID 1:27:03 – Joe Rogan moving to Spotify 1:32:09 – Neural networks 1:38:30 – GPT-3 1:46:52 – Manim 1:51:01 – Python 1:56:21 – Theory of everything 2:03:53 – Meaning of life