Grant Sanderson: Math, Manim, Neural Networks & Teaching with 3Blue1Brown | Lex Fridman Podcast

[@lexfridman]

I really enjoyed this conversation with Grant. Here's the outline: 0:00 - Introduction 5:13 - Richard Feynman 9:41 - 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 KZbin 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

[@tionneanddavid]

I love how you end up talking about the meaning of life

[@sebastianpizarro5407]

How in the world are you able to keep creating incredible content?? Thanks, keep up the good work

[@linus1594]

how about the guy from the KZbin channel minutephysics then? or kurzgesagt

[@ninjacat4862]

If you point to the moon, and focus to closely you will miss all the heavenly glory. If you think your state is loneliness, you miss the beauty of "Self" ....self critical, analytical, purposeful, and self interest to your imagination.

[@bariswheel]

Fantastic, had the privilege of meeting Grant after a few back and forth emails after his bitcoin video. Hope to see him in person soon.

[@BackToBackSWE]

What an iconic voice.

[@parallelfirefly4062]

He has not taken his sleep since long time for reason of doing maths homework

[@fktudiablo9579]

exponential biceps

[@edwardzachary1426]

Can I bicep be bigger than the length of shoulder to elbow? Limiting factor?

[@fktudiablo9579]

@@edwardzachary1426 Since my last comment, I spent 1 year trying to grow my biceps and I can assure it did not follow an exponential growth

[@StacyMcCabe]

@@edwardzachary1426I believe there is a cap to muscle size, someone like a Mr Olympia such as Arnold would be a good example of the human limit to bicep size.

[@FalcoOnline]

Dear Lex, I hardly ever comment on KZbin video's, but I think you're doing a fantastic job. Thank you very much for everything you create.

[@alifarah]

Grants been going gym. he'll finish your homework and steal your girl

[@vikranttyagiRN]

I for one wouldn't mind

[@koketsomohale8596]

I think those arms are due to hours of coding

[@naught_]

@@ettvanligtkonto wife

[@ireallyhatemakingupnamesfo1758]

Dude, Grant is absolutely SEXY

[@andreioleynik]

How can deado steal any girl?

[@abcddd580]

Lex, Can you interveiw Sal Khan?

[@sohamvanced5792]

Yes pleaseeee.

[@xKhfan213x]

This is a must

[@samvargas2868]

PLEASE

[@arik_dev]

Hell yeah!

[@hoos182]

He said he doesnt read comments haha. But it would be cool

[@ayazpalekar1575]

"The solution to writer's block is to read" Gotta get that printed on a t-shirt.

[@ssw4m]

I think that a good solution to writers block is to relax and just write whatever comes to mind, as a brainstorm or mind map. Don't censor yourself at all, write it no matter how rubbish it seems. "No bad ideas!" Or you could choose to write down only the positive ideas, if excessive negativity is a problem. Then your mind will rapidly settle down from random chaos to some interesting topic that you've stumbled upon, which you can continue to write about in normal prose.

[@0fuxTaken]

Damn! Grant is getting buff!

[@yuvalperry6688]

I would like 2 things: - Attached recording date (just curious) - Make someone else interview yourself. We wanna hear you as well

[@JOOOOOOOE]

@@kurtisstreutker6196 joe is not technically literate and a discussion with him is mostly superficial, albeit entertaining.

[@xKhfan213x]

@@JOOOOOOOE Joe is actually a lot smarter then people give him credit for. He interviews some of the greatest minds about hardest and deepest topics. Listen to some of these discussions and you'll see he's actually a verry intelligent person

[@xmathmanx]

@@xKhfan213x yeah, Rogan is not some superficial idiot, those memes need to die

[@JOOOOOOOE]

@@xKhfan213x I meant from a technical perspective, should have specified more my bad. Check out his interview with Nick Bolstrom, he couldn't ask the right questions and proper continuations because tech just isn't his domain.

[@xKhfan213x]

@@JOOOOOOOE I'll have to check that one out but it could be Nick's personality. Joe has stated that sometimes he finds it hard to connect with some guests like elon for example. Clearly joe has some tech knowledge or he wouldn't be able to hold a conversation with him that and with this podcast (elon's to be specific) he admitted he had a verry hard time with that interview. Before the cameras were rolling he said elon is this crazy person but once he gets on camera he locks himself up and it's hard to hit topics the right way, which he stated was the reason he brought the alcohol out (and possibly the pot. I'd like to see a stoned elon). He just may not have had that connection with this guest and couldn't find his rythm

[@hamentaschen]

Dude! My two all-time favorite KZbin Channels in one! Most unexpected. Most awesome!! Like the famous equation says, Lex Fridman + 3Blue1Brown = Total Awesomeness. I am so happy tonight now. Thank you!

[@brightsideofmaths]

Very great discussion! Thanks for doing it! I was listen to it while scanning/digitising all my old Math school notebooks :)

[@mastershooter64]

heyyy! brightside of math!

[@krishna_rkr]

An awesome thing will be to combine all the "meaning of life" clips from all your podcasts into one video and keep it updated. Same for the "Advice for young people".

[@ssw4m]

I have a little web project which can play segments of different videos seamlessly among other things, I call it mashup player. It could be useful for such a purpose.

[@TheCottonOrange]

Perfect timing. I just finished watching your first interview with Grant and here you are uploading a second one

[@umedina98]

Grant you made me love mathematics. You are a true educator

[@v135711]

Grant be like, "ayy imma find a local maximum of the vascularity function before this podcast wit lex"

[@H3ath]

Grant starts talking and instantly i'm fascinated, that's how powerful his videos have been for me. :D

[@richardavery2894]

Thank you soooooo much for putting this video out. I'm going through a tough time and this is great for my mental health. Thank you both so much!

[@Chronicles_of_Tomorrow]

Your best days lie yet in the future my friend... Educate and treat yourself and others well and find me on the other side for a cup of whatever you like... ;)

[@andrewb777]

I’m always so exited to see a pure mathematician on your podcast. This man helped me tremendously through my schooling.

[@makessense7095]

Agent Smith: "Mr. [S]anderson. Welcome back, we missed you." - I'm a cornball lol.

[@contactpaulo]

Lex and Grant, this is one of the best conversation I’ve seen this year. Thanks a lot.

[@steverecio1200]

Really enjoyed this conversation. The section on working alone really resonated with me. As a solo entrepreneur, listening to these conversations throughout my day makes me feel like I'm working at a place like Bell Labs.

[@alexanderfitzgerald4219]

Lex, I love your podcasts. You're a great interviewer and have excellent guests. Also inspired me to teach myself computer science!

[@granthawkins88]

Same! Discussions with programming language designers made me go and figure out how they work.

[@ChrisOffner]

57:55 We're back to *"the storm of the Russian soul"* vs. *"California sunshine"*

[@berryzhang7263]

california sunshine omg i love that nickname for grant

[@spaceboop9452]

I love 3 blue 1 brown! His videos helped me so much with linear algebra. I just graduated with a math and engineering degree! Thank you so much

[@vt6653]

Richard Feynman is my hero. But that letter from Richard to his wife, specifically the comment - "I write it because it makes me warm all over inside to write to you" .... It's classic Richard, and it's what made him so deeply in tune with the surroundings. But equally, it's insular - thinking that how he feels is more important than the pure sincerity of the symbolic action he was undertaking. It's Richard through and through, if he wasn't as such - we would still be a decade or two behind.

[@sympty607]

This is an incredible interview and so wrought with an authenticity I just haven't found anywhere else on the internet. Thanks!

[@kai_midght]

hey Lex, I was recently introduced to your podcast. I’ve been going through your back catalog. I think you’re conversations are something special. Thanks for doing what you do!

[@zabalite101]

everytime i see grant in a podcast , it just lights up my day

[@nahakuma]

Grant, you definitely should do more videos on topology. I am having the problem you mention of connecting the two perspectives about topology.

[@marcin774]

1:01:00 I can relate, but fyi, so far spending time listening to your podcast always yielded more happy and productive version of me, thanks Lex!

[@fishale1]

Wonderful

[@fallingintofilm]

Lol the ads were fun and pretty informative 😂

[@AmanVernekar]

I’ve never clicked on a video faster. Two of my favourite people talking again!!

[@zackpane7973]

This is such an healing podcast. Lex is curing us at such a generous and fundamental way using technology and ideas. I’d like to hereby romanticize this podcast lol

[@umedina98]

The end was the icing on the cake. Beautiful!

[@Gverri]

This one deserves the engagement!

[@AvantGrade]

I'm addicted to 3b1b, he's has changed how linear algebra is studied worldwide, always recommended by my professors and online courses on coursera ❤️

[@atastypineapple9296]

Grant looks exactly like my mormon friend.

[@RespectThePouch1028]

One of the best conversations I’ve had the privilege of listening to.

[@shmuel-k]

1:35:37 “The reason that gradient descent works well with neural networks and not just choose how you want to parameterize the space... Is that that layered structure allows you to decompose the derivative in a way that makes it computationally feasible.” That’s a doozy of a sentence.

[@tomiesz]

As well as the teachers and professors becoming content creators, we need a sort of group of middle-men who are great at making content get together with them. Kinda like numberphile etc. I think it's a very underrated concept but (IMO obviously) that would a superb move for any uni to have their own content production team focus on actual educational videos. Seeing all the personalities and yours and others videos makes whatever institution they represent much more interesting.

[@MrSpikegee]

Ok I do not leave comments and sometime I do not even hit the like button because I do not think about it. Thanks a lot for your work both of you, I love your videos Lex, I love Grant's videos, while I relate to Lex's unhappiness coming from too much geekery, when I spend too much time on the internet but it's for watching some of your work guys If I'm doing some introspection I feel kind of happier.

[@chatsnoirblamo]

🙏 absolutely great as usual. Grant changes lives for the better.

[@AttorneyGeneralGregStumbo]

1.27 million. You deserve this Lex.

[@Softdattel]

Both of you add great value to the internet. Thanks.

[@srroome]

Grant saying he doesn't know enough of anything to make a significant contribution to anything had me laughing out loud. Very few people will ever make such a significant contribution to anything!

[@mitalpattni1977]

I am not sure if we deserve this combination. It was a blissful two hours ❤️

[@777thejesusfreak777]

1 person was so excited to like that they hit the wrong button.

[@777thejesusfreak777]

adamgm84 I’m actually curious as to the percentage of dislikes can be attributed to misclicks. Like if you’ve seen his ted talk, the question is what person who can dislike that?

[@TheOriginaless]

It has happened to me, where I found that a video a really liked years ago and I found there is a dislike on it. So yeah, I agree that is what should be happening.

[@aryangera5127]

25 of them now

[@emmanguyen3808]

The podcast touches lots of part in my life.

[@pinehteshapple3666]

lex telling me about shaving is something I never knew I needed

[@carbonquiznoz1]

His videos are awesome! Keep on keeping on Grant! 👍

[@johnworrall9110]

Really enjoy Grant opinions on theses topics, Lex did a great job.

[@apocalypt0723]

Wonderful Conversation, Thank you Lex

[@davids9522]

When you said youtube might not be forever it really hit me. Someone needs to make a platform designed to be permanent. Once you upload, it cannot be deleted and will stay for generations to come.

[@BrianAmedee]

What an excellent interview. On the topic of MANIM, hands down the best tool I have used as a teacher. It is hyper engaging and is a resource of the future! Any educators who see this, lets collaborate these resources?

[@MichaelTaphouse]

Absolutely love 3blue1 brown. So excited to listen to this.

[@bsharpmajorscale]

This is a nice meaty interview with some interesting points about education, creativity, etc... I'll definitely have to return to it again.

[@thisundertow]

I hardly comment but super happy both of your channels exist!

[@andrewdong3875]

Gold: 27:16 ~ 27:36

[@ColdBeamGamesChannel]

Great video! A post from some one who doesn't normally post.

[@yashmore3525]

Thanks a lot for this lex!

[@mohamedsalbi2759]

Feels good to tune in earlier i m officially the second to watch it after lex

[@rickpala_]

This podcast became my new favorite.

[@krackerslacker]

Vaguely aware of 3Blue1Brown, but listening to this and Interview#1, I love this guy!

[@davidgonzalezjimenez8204]

I always love your videos, from content to charisma, you spark my interest on this topics.

[@netomdam]

Since you do read the comments: congratulations! I really enjoy your podcast, and I love Grant’s channel

[@andrewwilliams4324]

What an incredible conversation

[@JonatanContrerasjononthemoon]

Does anyone else get the vibe that Lex is the Dave Rubin of the tech interview world?

[@newwave77]

Great pod. Learnt 200 new words

[@MzungaElephant]

What I've learnt from this is, if you put 2+ talented, maths-friendly content creators in a room together, the perimetre is effectively inifinite x

[@mrsozekaiser9299]

liked this one before watching

[@nervous711]

So, because of the exponential growth of information and technology, the information gap between certain groups of people is also growing exponentially. In general there are two types of people heading to their extremes right now and maybe they will never be able to communicate with each other at some point. One is the people who are eager to learn and able to use technologies to help the learning. The other is the one who don't care about learning and reasoning. It's not like the cultural or generational gap; It's the gap that will split humanity

[@louk95]

he really went 2πR on those biceps

[@Gaijin101]

5 hours of lex... my brain hurts.. T_T

[@IloveNateReuss]

This was an amazing interview, thank you.

[@skilz8098]

As much as I enjoy listening to Grant from 3Blue1Brown and just about any other venue... it would also be amazing to see either Ben Eater or javidx9... there are few others besides these great minds, but I'll just leave it at that for now!

[@islammohamed1441]

2:03:19 GS: "Build a habit of feeling what it's actually like to come to resolution" LF: "As opposed to-and it can be enjoyable-in awe of the fact that you don't understand anything" GS: "Maybe people get entertainment out of that, but you won't grow"

[@ARS1508]

So underrated!

[@pauseandreflect461]

Such a positive person

[@granthawkins88]

Grant is an inspiration! Lex, don't be a planet chauvinist (to quote Asimov). Let's get serious discussion about O'Neill Cylinders as an alternative to a long-term colony on Mars.

[@gaofan2856]

When I get invitation from Lex Fridman podcast maybe someday in the future, I will know that I've done enough influential and important things in my life in order to be qualified for this

[@anirudhpraveen7410]

His voice is therapy

[@raskolnikov6347]

Hell yeah I love 3b1b

[@edwardzachary1426]

Fewer teachers done right more tutors working through it all and mentors driving your individual research

[@peterz53]

@1h57 An excellet point - delve into subjects which are within reach. Don't spend lots of time trying to grasp what would normally take years of prep work just to get to the first ring of possible understanding.

[@tansiantsi6087]

"In matemátics everything is either trivial or imposible, and there is a shockingly thin line between the two" ❤

[@_jimbarton]

First time I've heard Lex sound really out of his depth; Grant Sanderson, what a man

[@IsaacTorresProf]

Your podcast is really good and Grant is amazing too. Great interview

[@black_jack_meghav]

Everyone knows why,(in contrast to donno why) , I love 3b1b san.

[@josephwong2832]

Love Grant's series on blockchain and NN's

[@TNTsundar]

The meaning of any life is to try to attain equilibrium in the ecosystem.

[@koho]

Love 3Blue1Brown. I have to point out, it was actually lymphatic TB, not polio. (But has Grant ever said anything else that's incorrect?).

[@alexandersumer4295]

Lex can you please interview David Deutsch?

[@alonamaloh]

A note on what Grant says at 1:35:32 : There's nothing special about the layer structure. You can compute the gradient of pretty much any function efficiently, using reverse-mode automatic differentiation. This is really the same thing as backpropagation, but it's clear that it works for nearly arbitrary functions. In short, evaluating the gradient of a function takes about as much effort as computing the function in the first place.

[@diegomeza6160]

¿When did Francis from malcome in the middle started making such good math videos and explaining 5 Dimentional manifolds?

[@UrsANDrei]

@Lex, you have to HAVE TO get Grant and Eric together, I can't emphasize this enough I would pay a lot for Grant to draw Eric's theories!

[@TylerKoz]

I agree with Grant, Juan Benet would be a great person to have on the podcast.

[@subhajitsingharoy2028]

So soothing voice 😍

[@IFFranciscoME]

Grant Sanderson is the generation's iteration of the "great explainer".

[@kyleaustin2728]

There's a 99.9999999% chance that "Beautiful" is Lex's favorite word.

[@mr.sunstemeducation3801]

If you turn on the auto generated caption, Grant’s taking is translated almost 100% correct. I think it has something to do with not only his clear pronunciation but also his well organized & logical thought.