#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