Video wird geladen...

Video konnte nicht geladen werden

Zur Startseite

MIT put its full multivariable calculus course online in 2007 and charged nobody a dollar for it. Lecture 34 is the final review. A professor in an orange sweater writes Unit 1 on a chalkboard and starts working through the whole semester. The camera never moves much. No editing,...

mpoilerfx's profile picture

Mark Poiler

1,496 subscribers

1,877,301 Aufrufe • vor 1 Monat •via X (Twitter)

Wissenschaft & TechnologieBildungNachrichten & Politik
LIVE

Anya Rossi• Live Now

Private livecam show

35 Kommentare

Profilbild von David Rodriguez
David Rodriguezvor 1 Monat

Respect to the people that understand this level of mathematics.

Profilbild von Romario
Romariovor 1 Monat

The most valuable thing about this is that MIT simply put the knowledge out there and asked for nothing in return. Meanwhile other universities watched this happen and kept raising their prices.

Profilbild von JSmo ☦️
JSmo ☦️vor 1 Monat

I'm in school for civil engineering right now and every class is on YouTube from many different universities. I've even found classes which won't be in my track like bridge design that I can take for free after graduation. The price is the certification not the knowledge.

Profilbild von Render
Rendervor 1 Monat

Higher education was never valuable because there was some sort of secret knowledge hidden from the public. It’s a skill transfer process for jobs that require verification that you were taught by a professional and actually learned the skill. Videos teach but don’t verify.

Profilbild von Richard Keeling
Richard Keelingvor 1 Monat

Real scholars--the ones who should be professors--do their work for nothing. They are motivated by interest and creativity. And as for the administration. All this work would be done by graduate students. All the counselors and staff get generous salaries, even though they have no interest in the subject being taught. They could be replaced by graduate students who really care and would be saved a lifetime of debt. The Catholic church works this way. It is natural and cost effective.

Profilbild von Adam Nemo
Adam Nemovor 1 Monat

Mark, seems like this would be simple enough for you to write without AI.

Profilbild von Nick
Nickvor 1 Monat

Uhh yea no shit. You can walk into any university lecture at any time and learn for free. You’re paying for the credentials after graduation

Profilbild von Steve Strickland
Steve Stricklandvor 1 Monat

The UK was providing this service decades before through Open University lecture courses that were broadcast daily on free-to-air TV.

Profilbild von jaceyun
jaceyunvor 1 Monat

MIT free courses more useful that half of unis

Profilbild von Patrick J. Murphy
Patrick J. Murphyvor 1 Monat

videos like that are nice to watch but they are not a substitute for the real deal

Profilbild von E
Evor 1 Monat

Multivariable calculus was the fun one actually. Differential equations I did not enjoy 🙃

Profilbild von Sides.Trade – Polymarket AI Bot
Sides.Trade – Polymarket AI Botvor 1 Monat

did this guy spend 40 years trying to delete this video from internet?

Profilbild von Marc 'Free Dexter Taylor' Olivier
Marc 'Free Dexter Taylor' Oliviervor 1 Monat

@donallen02 MIT offers free college-level courses ( Khan Academy offers courses for kids from Pre-K forward.

Profilbild von CNX_ที่แปลว่าเชียงใหม่
CNX_ที่แปลว่าเชียงใหม่vor 1 Monat

แคลคูลัส คือวิชาที่สนุกมาก ยิ่งทำได้ยิ่งรู้สึกว่าความฉลาดขยับมากขึ้น

Profilbild von AI Mastery Guide
AI Mastery Guidevor 1 Monat

Free lectures but people still pay for the degree, that line hits hard 💯

Profilbild von Russell Koch
Russell Kochvor 1 Monat

I passed up to multivariate—but never really understood it. Now I’m an electrician. 🤨

Profilbild von time velocity 🇺🇸
time velocity 🇺🇸vor 1 Monat

We need more of this and fewer cat videos.

Profilbild von ismaelvega
ismaelvegavor 1 Monat

man. for a moment i thought you were sharing a prompt for Flux 3. my TL is flooded with that sh

Profilbild von Price.WrightThrills
Price.WrightThrillsvor 1 Monat

I was truly all in.....then about 10 words in my mouth opened and I noticed a slight drip out the corner of my mouth. I dont think variable multiverse calculusasus if for me Dormomu

Profilbild von Norman Newsham
Norman Newshamvor 1 Monat

Use to watch it on my YouTube feed. Had absolutely no idea what was going on but it sounded good

Profilbild von Feraser
Feraservor 1 Monat

that's so powerful and beautiful

Profilbild von David Murphy 🌎🌍🌏🇮🇪 🪗
David Murphy 🌎🌍🌏🇮🇪 🪗vor 1 Monat

I'm pretty sure arithmetic is maths

Profilbild von Joseph Clark
Joseph Clarkvor 1 Monat

Not to nitpick, but the camera is clearly moving in that clip. But yes, the MIT open courseware is great!

Profilbild von Froxxxie
Froxxxievor 1 Monat

The thing people pay $60k a year for was never the lecture itself. How many still confuse access to information with the ability to actually use it?

Profilbild von Vandy_Trading Assistant
Vandy_Trading Assistantvor 1 Monat

This MIT lecture from 2007 still hits harder than most paid classes today

Profilbild von LawlessKO
LawlessKOvor 1 Monat

I watched their intro to Real Analysis undergrad class on youtube last year and the prof just walks into the 1st class & starts writing proofs on the chalkboard which was 4 chalkboards wide, 3 chalkboards high, and he just cycled through them as he went without stopping for ????

Profilbild von Lawrence L. Wood
Lawrence L. Woodvor 1 Monat

MIT OpenCourseWare has been a major part of my life, in fact I have learned far more from it's curriculum than I ever did in graduate school and for free!

Profilbild von Victor
Victorvor 1 Monat

next time ask the AI to make your text look less AI

Profilbild von Alien Ant World 🛸
Alien Ant World 🛸vor 1 Monat

Interesting

Profilbild von zerominuszero
zerominuszerovor 1 Monat

MIT course for free mean nothing. It's the piece of fancy paper w/ your name written in gold leaf that means everything. -especially today. How else are you going to stand out from the other applications at Starbucks?

Profilbild von Joshua Fontanilla
Joshua Fontanillavor 1 Monat

Obama made this illegal. Said something like dead people wouldn’t have access. So they stopped doing it.

Profilbild von Eddie
Eddievor 1 Monat

I thought we just all knew this stuff naturally? You guys needed a class for this?

Profilbild von Chiller1967
Chiller1967vor 1 Monat

Because companies dont care about knowledge they care about credentials.

Profilbild von Newly Hired Clerk
Newly Hired Clerkvor 1 Monat

The fact that this exists and it not passed around in colleges is a testament to the fact that it's lectureslop and doesn't actually help people who don't learn from lecture slop. Learning from these genuinely sucks like you have no idea.

Profilbild von Cryton
Crytonvor 1 Monat

The lecture was only one layer of education. Access changes the game, but mentorship, community, and accountability remain hard to replicate.

Ähnliche Videos

MIT filmed a full graduate-level quantum mechanics course and put every lecture online for free. The instructor is Allan Adams. He stands in front of a chalkboard in a white shirt and opens by defining what linearity means before touching any physics. No slides. No animations. A man, a board, and a room of students working through the hardest framework in science. MIT OpenCourseWare started this in 2001. Faculty were told there would be no royalties and no extra pay for filming. Adams builds the course from the ground up. He treats quantum mechanics as a framework first and the strange results as consequences, not tricks. The catalog now holds more than 2,400 courses. The lectures have been watched hundreds of millions of times by people who will never set foot in Cambridge. Someone in a village with a phone gets the same lecture a student paying 60,000 dollars a year gets. The tuition was never buying the lecture.
17:43

MIT filmed a full graduate-level quantum mechanics course and put every lecture online for free. The instructor is Allan Adams. He stands in front of a chalkboard in a white shirt and opens by defining what linearity means before touching any physics. No slides. No animations. A man, a board, and a room of students working through the hardest framework in science. MIT OpenCourseWare started this in 2001. Faculty were told there would be no royalties and no extra pay for filming. Adams builds the course from the ground up. He treats quantum mechanics as a framework first and the strange results as consequences, not tricks. The catalog now holds more than 2,400 courses. The lectures have been watched hundreds of millions of times by people who will never set foot in Cambridge. Someone in a village with a phone gets the same lecture a student paying 60,000 dollars a year gets. The tuition was never buying the lecture.

Gaspar

13,849 Aufrufe • vor 1 Monat

MIT put its full quantum physics course online for free and the opening lecture starts with a box you can't look inside. Almost nobody finishes it. This is 8.04, Quantum Physics I, taught by Allan Adams on the MIT campus. Same room, same problem sets, same professor the tuition pays for. He skips the history and the philosophy. He builds a simple apparatus, sends things through it, and shows the result no classical picture can survive. Skip the first 10 minutes, that part is course admin. What follows is thought experiment stacked on thought experiment until superposition stops being a word and becomes the only explanation left. Every engineer arguing about quantum computing in 2026 is arguing about what happens in this hour. A systems engineer I know watched it twice with a notebook and called it the clearest teaching he'd seen since university. MIT charges $60,000 a year. This lecture costs nothing. The gate was never locked. Almost nobody walks through.
1:15:32

MIT put its full quantum physics course online for free and the opening lecture starts with a box you can't look inside. Almost nobody finishes it. This is 8.04, Quantum Physics I, taught by Allan Adams on the MIT campus. Same room, same problem sets, same professor the tuition pays for. He skips the history and the philosophy. He builds a simple apparatus, sends things through it, and shows the result no classical picture can survive. Skip the first 10 minutes, that part is course admin. What follows is thought experiment stacked on thought experiment until superposition stops being a word and becomes the only explanation left. Every engineer arguing about quantum computing in 2026 is arguing about what happens in this hour. A systems engineer I know watched it twice with a notebook and called it the clearest teaching he'd seen since university. MIT charges $60,000 a year. This lecture costs nothing. The gate was never locked. Almost nobody walks through.

xanax

14,430 Aufrufe • vor 1 Monat

There's a physics lecture with over a million views' worth of value and almost no views. No slides. No notes. Just a green chalkboard and a man who clearly doesn't need one. The professor is V. Balakrishnan, IIT Madras. The course is Classical Physics, recorded for NPTEL — India's free national lecture archive — and quietly sitting on YouTube since 2009. What makes lecture one worth your time isn't production value. It's the opposite. It's a full subject held in one person's head, delivered in order, with nothing between him and the material. He opens with the actual boundary of the field: what classical mechanics can explain, and the precise point where it hands off to quantum theory. No hedging, no filler — every sentence finished before the next one starts. A friend who works in physics told me he went through the entire series and ranks it above courses he paid thousands of dollars for. It's been online for 17 years. Low resolution, zero marketing, still one of the best physics courses on the internet. Sometimes the best teaching in the world was never behind a paywall — it just wasn't in English-language algorithms' way of finding it.
48:48

There's a physics lecture with over a million views' worth of value and almost no views. No slides. No notes. Just a green chalkboard and a man who clearly doesn't need one. The professor is V. Balakrishnan, IIT Madras. The course is Classical Physics, recorded for NPTEL — India's free national lecture archive — and quietly sitting on YouTube since 2009. What makes lecture one worth your time isn't production value. It's the opposite. It's a full subject held in one person's head, delivered in order, with nothing between him and the material. He opens with the actual boundary of the field: what classical mechanics can explain, and the precise point where it hands off to quantum theory. No hedging, no filler — every sentence finished before the next one starts. A friend who works in physics told me he went through the entire series and ranks it above courses he paid thousands of dollars for. It's been online for 17 years. Low resolution, zero marketing, still one of the best physics courses on the internet. Sometimes the best teaching in the world was never behind a paywall — it just wasn't in English-language algorithms' way of finding it.

Nainsi Dwivedi

12,346 Aufrufe • vor 1 Monat

MIT filmed a calculus course in black and white decades ago and it still teaches better than most of what shipped this year. Almost nobody watches it. This is Calculus Revisited, Unit 1, Lecture 1, taught by Herb Gross. Analytic geometry from the ground up, chalk on a board, 1 camera locked in place. Gross built the course for adults returning to math after years away. No prerequisites assumed. Every idea earned in front of you instead of quoted from a textbook. The opening move is simple division written on the board. From there he shows why coordinates work at all, the thing most courses skip and every student silently fakes. Watch how slowly he goes. Each step spoken out loud, nothing left implicit, the pace of someone who expects you to actually follow. A backend engineer I know rewatched Unit 1 twice before touching linear algebra and said it fixed a gap he'd carried for 12 years. MIT put the whole course online free under Creative Commons. Production value aged badly. The teaching didn't.
35:56

MIT filmed a calculus course in black and white decades ago and it still teaches better than most of what shipped this year. Almost nobody watches it. This is Calculus Revisited, Unit 1, Lecture 1, taught by Herb Gross. Analytic geometry from the ground up, chalk on a board, 1 camera locked in place. Gross built the course for adults returning to math after years away. No prerequisites assumed. Every idea earned in front of you instead of quoted from a textbook. The opening move is simple division written on the board. From there he shows why coordinates work at all, the thing most courses skip and every student silently fakes. Watch how slowly he goes. Each step spoken out loud, nothing left implicit, the pace of someone who expects you to actually follow. A backend engineer I know rewatched Unit 1 twice before touching linear algebra and said it fixed a gap he'd carried for 12 years. MIT put the whole course online free under Creative Commons. Production value aged badly. The teaching didn't.

the lich

344,687 Aufrufe • vor 1 Monat

The only physicist ever to win the Fields Medal taught a full Princeton course in 2022. The recordings have almost no views. Edward Witten works at the Institute for Advanced Study. He reshaped string theory and large parts of pure geometry, and mathematicians gave him their highest prize for it. This is Physics 539, Topics in High Energy Physics, autumn 2022. Full semester, lecture by lecture, chalk on a board, graduate students in the room. No lecture notes released. No production. No description on the videos. Someone sat in the back row and hit record. Watch how little he writes. A few symbols, 1 small diagram, and the whole argument carried in speech while the board stays nearly empty. A theoretical physicist I know worked through the playlist over a summer and said it read like watching someone think in real time. Free on YouTube, uploaded by an attendee, no institution behind it. Universities publish the public talks. Somebody filmed the real course.
1:26:47

The only physicist ever to win the Fields Medal taught a full Princeton course in 2022. The recordings have almost no views. Edward Witten works at the Institute for Advanced Study. He reshaped string theory and large parts of pure geometry, and mathematicians gave him their highest prize for it. This is Physics 539, Topics in High Energy Physics, autumn 2022. Full semester, lecture by lecture, chalk on a board, graduate students in the room. No lecture notes released. No production. No description on the videos. Someone sat in the back row and hit record. Watch how little he writes. A few symbols, 1 small diagram, and the whole argument carried in speech while the board stays nearly empty. A theoretical physicist I know worked through the playlist over a summer and said it read like watching someone think in real time. Free on YouTube, uploaded by an attendee, no institution behind it. Universities publish the public talks. Somebody filmed the real course.

Gaspar

22,934 Aufrufe • vor 1 Monat

An Indian institute filmed a professor teaching classical physics with no notes, no slides, and a green board. Almost nobody outside India watches it. This is Classical Physics, lecture 1, taught by V. Balakrishnan at IIT Madras, published free by NPTEL, India's national open courseware programme. Balakrishnan taught at IIT Madras for decades. Students who sat in that room describe the same thing: the whole subject held in his head, delivered in order, no paper on the podium. Lecture 1 is the introduction. What classical mechanics claims, where the claims hold, and the exact points where they stop holding and quantum takes over. Watch how he speaks. Complete sentences, no filler, each idea finished before the next begins. Rare in any lecture hall on any continent. A physicist I know worked through the whole NPTEL series and rates it above the western courses he paid for. Free on YouTube, 17 years online, low resolution, no marketing. The teaching was never concentrated in the famous universities.
48:48

An Indian institute filmed a professor teaching classical physics with no notes, no slides, and a green board. Almost nobody outside India watches it. This is Classical Physics, lecture 1, taught by V. Balakrishnan at IIT Madras, published free by NPTEL, India's national open courseware programme. Balakrishnan taught at IIT Madras for decades. Students who sat in that room describe the same thing: the whole subject held in his head, delivered in order, no paper on the podium. Lecture 1 is the introduction. What classical mechanics claims, where the claims hold, and the exact points where they stop holding and quantum takes over. Watch how he speaks. Complete sentences, no filler, each idea finished before the next begins. Rare in any lecture hall on any continent. A physicist I know worked through the whole NPTEL series and rates it above the western courses he paid for. Free on YouTube, 17 years online, low resolution, no marketing. The teaching was never concentrated in the famous universities.

xanax

3,275,507 Aufrufe • vor 1 Monat

🔱Professor S. Lakshmi Bala of IIT Madras has published a free course on quantum mechanics, studying the three-level atom. MIT charges $80,000 to sit in a room and learn this. She didn't ask for a dollar. IIT Madras has a sub-1% acceptance rate. The students in that lecture hall competed harder to get in than most Ivy League applicants. You can watch the same lectures without applying anywhere. The course covers linear vector spaces, quantum state formalism, and the three-level atom - the math behind lasers, MRI machines, and quantum computers. Not a simplified intro. The real thing, from first principles. NPTEL built this. 7 Indian Institutes of Technology and IISc pooled their top professors and filmed the actual university curriculum. Thousands of courses. All free. Almost no one outside India knows it exists. Physics departments in the US have known for years that this content is available at no cost. They keep charging $80,000 anyway. 🔖Watch and save it before someone decides free access to elite education is a threat to the business model.
49:53

🔱Professor S. Lakshmi Bala of IIT Madras has published a free course on quantum mechanics, studying the three-level atom. MIT charges $80,000 to sit in a room and learn this. She didn't ask for a dollar. IIT Madras has a sub-1% acceptance rate. The students in that lecture hall competed harder to get in than most Ivy League applicants. You can watch the same lectures without applying anywhere. The course covers linear vector spaces, quantum state formalism, and the three-level atom - the math behind lasers, MRI machines, and quantum computers. Not a simplified intro. The real thing, from first principles. NPTEL built this. 7 Indian Institutes of Technology and IISc pooled their top professors and filmed the actual university curriculum. Thousands of courses. All free. Almost no one outside India knows it exists. Physics departments in the US have known for years that this content is available at no cost. They keep charging $80,000 anyway. 🔖Watch and save it before someone decides free access to elite education is a threat to the business model.

Trixi

44,773 Aufrufe • vor 24 Tagen

MIT filmed the single hour that makes all of calculus one subject instead of two. Free, uncut, chalk only. Almost nobody watches it. This is 18.01, Single Variable Calculus, lecture 19, taught by David Jerison. The First Fundamental Theorem of Calculus. Slopes and areas were separate problems for centuries. Different tools, different people, different questions. This lecture shows they were the same thing pointed in opposite directions. Every gradient computed in every training run rides on that connection. Most engineers use it daily and have never seen the proof that makes it legal. Watch the board work in the middle. He builds the link line by line, real students in the room, no software, no animation. A machine learning engineer I know rewatched it before an interview and said the chain from loss to update finally read as 1 object instead of 3 tricks. Full course free on YouTube under Creative Commons. You've been using the theorem. You've never seen it earned.
47:52

MIT filmed the single hour that makes all of calculus one subject instead of two. Free, uncut, chalk only. Almost nobody watches it. This is 18.01, Single Variable Calculus, lecture 19, taught by David Jerison. The First Fundamental Theorem of Calculus. Slopes and areas were separate problems for centuries. Different tools, different people, different questions. This lecture shows they were the same thing pointed in opposite directions. Every gradient computed in every training run rides on that connection. Most engineers use it daily and have never seen the proof that makes it legal. Watch the board work in the middle. He builds the link line by line, real students in the room, no software, no animation. A machine learning engineer I know rewatched it before an interview and said the chain from loss to update finally read as 1 object instead of 3 tricks. Full course free on YouTube under Creative Commons. You've been using the theorem. You've never seen it earned.

obssnnn

124,305 Aufrufe • vor 1 Monat

An IIT Madras physics professor teaches a full graduate level quantum mechanics course for free, and almost nobody outside India has heard of it. It's part of something called NPTEL, a government backed program that now hosts over 3,200 free university courses taught by professors at IIT and IISc, India's top engineering and science schools. Dr. S. Lakshmi Bala's course, Quantum Mechanics I, runs through the same material a physics graduate student would sit through in a paid semester: postulates of quantum mechanics, angular momentum, quantum optics, all of it filmed lecture hall style and uploaded for anyone to watch. No login wall, no certificate fee required to just watch, no tuition. Just a professor, a blackboard, and a camera that's been running since the early 2000s. Western universities charge thousands per credit for exactly this kind of course. India just recorded it and gave it away. Is this the biggest free education archive nobody talks about, or are people just not looking?
49:19

An IIT Madras physics professor teaches a full graduate level quantum mechanics course for free, and almost nobody outside India has heard of it. It's part of something called NPTEL, a government backed program that now hosts over 3,200 free university courses taught by professors at IIT and IISc, India's top engineering and science schools. Dr. S. Lakshmi Bala's course, Quantum Mechanics I, runs through the same material a physics graduate student would sit through in a paid semester: postulates of quantum mechanics, angular momentum, quantum optics, all of it filmed lecture hall style and uploaded for anyone to watch. No login wall, no certificate fee required to just watch, no tuition. Just a professor, a blackboard, and a camera that's been running since the early 2000s. Western universities charge thousands per credit for exactly this kind of course. India just recorded it and gave it away. Is this the biggest free education archive nobody talks about, or are people just not looking?

Kshitij Mishra | AI & Tech

11,573 Aufrufe • vor 12 Tagen

An IIT Madras physics professor teaches a full graduate level quantum mechanics course for free, and almost nobody outside India has heard of it. It's part of something called NPTEL, a government backed program that now hosts over 3,200 free university courses taught by professors at IIT and IISc, India's top engineering and science schools. Dr. S. Lakshmi Bala's course, Quantum Mechanics I, runs through the same material a physics graduate student would sit through in a paid semester: postulates of quantum mechanics, angular momentum, quantum optics, all of it filmed lecture hall style and uploaded for anyone to watch. No login wall, no certificate fee required to just watch, no tuition. Just a professor, a blackboard, and a camera that's been running since the early 2000s. Western universities charge thousands per credit for exactly this kind of course. India just recorded it and gave it away. Is this the biggest free education archive nobody talks about, or are people just not looking?
49:00

An IIT Madras physics professor teaches a full graduate level quantum mechanics course for free, and almost nobody outside India has heard of it. It's part of something called NPTEL, a government backed program that now hosts over 3,200 free university courses taught by professors at IIT and IISc, India's top engineering and science schools. Dr. S. Lakshmi Bala's course, Quantum Mechanics I, runs through the same material a physics graduate student would sit through in a paid semester: postulates of quantum mechanics, angular momentum, quantum optics, all of it filmed lecture hall style and uploaded for anyone to watch. No login wall, no certificate fee required to just watch, no tuition. Just a professor, a blackboard, and a camera that's been running since the early 2000s. Western universities charge thousands per credit for exactly this kind of course. India just recorded it and gave it away. Is this the biggest free education archive nobody talks about, or are people just not looking?

Trixi

563,259 Aufrufe • vor 26 Tagen

Gilbert Strang taught linear algebra at MIT for fifty years. His last lecture is on YouTube. It has fewer views than his worst lecture. Nobody told students it was the last one. He just walked in, said "the final class in linear algebra at MIT," and started reviewing old exams. Google built a $2,000,000,000,000 company on one concept from this course. He is 88 years old. He still answers emails. This is MIT 18.06. Linear Algebra. The most watched mathematics course in history. Then the Markov matrix. Strang writes a transition matrix on the board. Three states. People moving between them every step. After enough steps - the system locks into a steady state that never changes. That steady state is an eigenvector. Google's PageRank works the same way. Websites are states. Clicks are transitions. The importance of every page on the internet is one eigenvector of one enormous matrix. Then least squares. Three data points. No line passes through all three. So you find the line that minimizes total error. That is how every AI model on earth is trained - including the ones running inside Goldman Sachs trading desks. Then the projection. The closest point on a plane to a vector outside it. Strang draws it in 30 seconds. That same operation is how Netflix decides what to recommend to 280,000,000 subscribers. Watch the moment he gives back the final exam answer and asks students to work backwards to the question - the room solves it in silence faster than any other lecture all semester. A software engineer told me 18.06 was the course that got her from $90,000 to $200,000 in two years. Same company. Different title. Bookmark this and watch later - after this lecture every dataset you touch will feel like a geometry problem waiting to be solved. MIT 18.06 Lecture 34 | Linear Algebra Final Review | Gilbert Strang
43:06

Gilbert Strang taught linear algebra at MIT for fifty years. His last lecture is on YouTube. It has fewer views than his worst lecture. Nobody told students it was the last one. He just walked in, said "the final class in linear algebra at MIT," and started reviewing old exams. Google built a $2,000,000,000,000 company on one concept from this course. He is 88 years old. He still answers emails. This is MIT 18.06. Linear Algebra. The most watched mathematics course in history. Then the Markov matrix. Strang writes a transition matrix on the board. Three states. People moving between them every step. After enough steps - the system locks into a steady state that never changes. That steady state is an eigenvector. Google's PageRank works the same way. Websites are states. Clicks are transitions. The importance of every page on the internet is one eigenvector of one enormous matrix. Then least squares. Three data points. No line passes through all three. So you find the line that minimizes total error. That is how every AI model on earth is trained - including the ones running inside Goldman Sachs trading desks. Then the projection. The closest point on a plane to a vector outside it. Strang draws it in 30 seconds. That same operation is how Netflix decides what to recommend to 280,000,000 subscribers. Watch the moment he gives back the final exam answer and asks students to work backwards to the question - the room solves it in silence faster than any other lecture all semester. A software engineer told me 18.06 was the course that got her from $90,000 to $200,000 in two years. Same company. Different title. Bookmark this and watch later - after this lecture every dataset you touch will feel like a geometry problem waiting to be solved. MIT 18.06 Lecture 34 | Linear Algebra Final Review | Gilbert Strang

Zyphor

56,603 Aufrufe • vor 20 Tagen

IN 2024 IN CHENNAI A 54-YEAR-OLD PROFESSOR EXPOSED a leaked secret that Western universities want to keep quiet. Elite departments charge over $2,400 per credit for advanced quantum theory. But this entire graduate course has been free since the early 2000s, and paid institutions are actively trying to hide it. In this unlisted lecture footage, S. Lakshmi Bala moves past abstract vector spaces straight into the two-level atom model—the exact same physics driving modern laser tech and quantum processors today. No login wall. No certificate fee to just watch. One professor, one blackboard, and a camera that never stopped rolling for over 40 lectures. Traditional universities built million-dollar gatekeeping systems around this exact material. IIT Madras just recorded it and gave it away through an archive that now hosts over 3,200 free courses. $0 to watch, no account required Filmed lecture hall style since the early 2000s Same physics that underlies quantum computing today Just don't lose it and find a way to save the lecture, because other paid institutions don't want you to have access to it for free. What happens when the gatekeepers finally lose control of elite education?
47:01

IN 2024 IN CHENNAI A 54-YEAR-OLD PROFESSOR EXPOSED a leaked secret that Western universities want to keep quiet. Elite departments charge over $2,400 per credit for advanced quantum theory. But this entire graduate course has been free since the early 2000s, and paid institutions are actively trying to hide it. In this unlisted lecture footage, S. Lakshmi Bala moves past abstract vector spaces straight into the two-level atom model—the exact same physics driving modern laser tech and quantum processors today. No login wall. No certificate fee to just watch. One professor, one blackboard, and a camera that never stopped rolling for over 40 lectures. Traditional universities built million-dollar gatekeeping systems around this exact material. IIT Madras just recorded it and gave it away through an archive that now hosts over 3,200 free courses. $0 to watch, no account required Filmed lecture hall style since the early 2000s Same physics that underlies quantum computing today Just don't lose it and find a way to save the lecture, because other paid institutions don't want you to have access to it for free. What happens when the gatekeepers finally lose control of elite education?

Kshitij Mishra | AI & Tech

87,567 Aufrufe • vor 14 Tagen

An MIT professor solved the equation Wall Street pays $500K for, in a lecture about how to find the top of a hill. MIT put the whole thing online. it has been free for years. almost nobody finishes it. his point: finding the best possible answer to almost anything is one move. write down what you want to grow, take the derivative, and find the exact spot where it stops climbing. that spot is the answer. he is Denis Auroux, and his 18.02 lectures have taught more people calculus than most universities have students. now the equation from the post above, the one that tells you exactly how much to bet. it is not a secret formula. it is this. the growth of your money is a curve. bet too little and you are low on the hill. bet too much and you have gone over the top and started falling. Kelly's number is just the peak. no magic. no fund. one hill, and the single point where it stops going up. a quant I know rewatches this exact lecture before he sizes a single position. you were handed the formula and told to trust it. Auroux shows you where it actually comes from, for free, and it has been sitting there the whole time.
38:17

An MIT professor solved the equation Wall Street pays $500K for, in a lecture about how to find the top of a hill. MIT put the whole thing online. it has been free for years. almost nobody finishes it. his point: finding the best possible answer to almost anything is one move. write down what you want to grow, take the derivative, and find the exact spot where it stops climbing. that spot is the answer. he is Denis Auroux, and his 18.02 lectures have taught more people calculus than most universities have students. now the equation from the post above, the one that tells you exactly how much to bet. it is not a secret formula. it is this. the growth of your money is a curve. bet too little and you are low on the hill. bet too much and you have gone over the top and started falling. Kelly's number is just the peak. no magic. no fund. one hill, and the single point where it stops going up. a quant I know rewatches this exact lecture before he sizes a single position. you were handed the formula and told to trust it. Auroux shows you where it actually comes from, for free, and it has been sitting there the whole time.

Loran

95,530 Aufrufe • vor 1 Monat

Marvin Minsky, MIT professor and father of AI: "The best trader on Wall Street is no longer human. I spent fifty years proving the mind is just a machine built from smaller machines, and once that's true, nothing stops a machine from being the house. it already is." this free lecture holds the entire "AI edge" the funds and the gurus sell, and the man teaching it founded the field itself and put his whole MIT course online for free. at the board it's simple. Minsky's idea is that there is no magic in thinking. a mind is a huge pile of small, mindless parts, each doing something simple, and intelligence is just what happens when enough of them work together. a trading machine is the same trick: thousands of simple rules stacked until an edge appears. that's the whole "AI", minus the mystery. Minsky taught this at MIT and published "The Society of Mind" in 1986. the course has been free ever since. same point as my casino piece above: the house wins with many small mindless advantages stacked, not with one born genius. the ideas are free and every AI lab and every fund already has them. what they cannot sell you is the data and the compute to actually build the machine. that is the real moat now, and no lecture can hand it to you.
1:56:06

Marvin Minsky, MIT professor and father of AI: "The best trader on Wall Street is no longer human. I spent fifty years proving the mind is just a machine built from smaller machines, and once that's true, nothing stops a machine from being the house. it already is." this free lecture holds the entire "AI edge" the funds and the gurus sell, and the man teaching it founded the field itself and put his whole MIT course online for free. at the board it's simple. Minsky's idea is that there is no magic in thinking. a mind is a huge pile of small, mindless parts, each doing something simple, and intelligence is just what happens when enough of them work together. a trading machine is the same trick: thousands of simple rules stacked until an edge appears. that's the whole "AI", minus the mystery. Minsky taught this at MIT and published "The Society of Mind" in 1986. the course has been free ever since. same point as my casino piece above: the house wins with many small mindless advantages stacked, not with one born genius. the ideas are free and every AI lab and every fund already has them. what they cannot sell you is the data and the compute to actually build the machine. that is the real moat now, and no lecture can hand it to you.

Voltex

27,976 Aufrufe • vor 2 Monaten

Alan Oppenheim, MIT professor: "Jump Trading pays quants $650K to pull one real signal out of market noise. I wrote the textbook on that exact math and taught it for free." this free MIT lecture is the math the whole "quant edge" is built on, and almost nobody selling you a course will name it. the man teaching it wrote the signal-processing textbook every engineer on earth learned from, and he put the lectures online for nothing. here is the idea. a price chart is a signal buried in noise. most of what you see is random static, and hidden inside is a faint, repeating pattern with real mathematics for pulling it out. that is not a metaphor. jim simons was a codebreaker who did exactly this to enemy transmissions, then pointed the same math at the market and made a hundred billion dollars. none of it is new. oppenheim taught this in 1987, the math is older, and every lecture is free. same story i told in the article above. the edge was never a secret formula. it was knowing a market is a noisy signal, and having the tools to read it. here is what the gurus skip. the math to separate signal from noise is free and everyone has it. the edge is cleaner data than the next desk, and the discipline to trust a faint signal across thousands of trades instead of chasing the static. the filter is free. the patience to use it is not.
29:44

Alan Oppenheim, MIT professor: "Jump Trading pays quants $650K to pull one real signal out of market noise. I wrote the textbook on that exact math and taught it for free." this free MIT lecture is the math the whole "quant edge" is built on, and almost nobody selling you a course will name it. the man teaching it wrote the signal-processing textbook every engineer on earth learned from, and he put the lectures online for nothing. here is the idea. a price chart is a signal buried in noise. most of what you see is random static, and hidden inside is a faint, repeating pattern with real mathematics for pulling it out. that is not a metaphor. jim simons was a codebreaker who did exactly this to enemy transmissions, then pointed the same math at the market and made a hundred billion dollars. none of it is new. oppenheim taught this in 1987, the math is older, and every lecture is free. same story i told in the article above. the edge was never a secret formula. it was knowing a market is a noisy signal, and having the tools to read it. here is what the gurus skip. the math to separate signal from noise is free and everyone has it. the edge is cleaner data than the next desk, and the discipline to trust a faint signal across thousands of trades instead of chasing the static. the filter is free. the patience to use it is not.

Rossst.03

281,905 Aufrufe • vor 2 Monaten

Gilbert Strang, a quiet MIT professor, picked up a piece of chalk and explained the one skill standing between you and every account you have ever blown. MIT put the entire course online. it has been free for over twenty years. almost nobody finishes it. His point: the market never pays in certainties. it pays in probabilities, and a human gut can barely hold one straight. the math that holds ten thousand at once, weighs them, and collapses them into a single call is linear algebra. it is the branch Citadel and OpenAI both pay $400K to hire for. he is not a trading guru. his 18.06 lectures are the most watched math class on the planet. Skip to where he turns a wall of numbers into one vector. a single object carrying a thousand odds at once, in notation a beginner can follow. No slides. no jargon. one piece of chalk. a quant I know rewatches lecture one every year before he sizes a single position. You do not have a strategy problem. you have a math problem. the fix has been free for two decades, and you are still guessing.
39:31

Gilbert Strang, a quiet MIT professor, picked up a piece of chalk and explained the one skill standing between you and every account you have ever blown. MIT put the entire course online. it has been free for over twenty years. almost nobody finishes it. His point: the market never pays in certainties. it pays in probabilities, and a human gut can barely hold one straight. the math that holds ten thousand at once, weighs them, and collapses them into a single call is linear algebra. it is the branch Citadel and OpenAI both pay $400K to hire for. he is not a trading guru. his 18.06 lectures are the most watched math class on the planet. Skip to where he turns a wall of numbers into one vector. a single object carrying a thousand odds at once, in notation a beginner can follow. No slides. no jargon. one piece of chalk. a quant I know rewatches lecture one every year before he sizes a single position. You do not have a strategy problem. you have a math problem. the fix has been free for two decades, and you are still guessing.

Loran

47,557 Aufrufe • vor 1 Monat

A theoretical physics course opens not with equations but with the rules for saying anything true at all. This is lecture 1 of Lectures on the Geometric Anatomy of Theoretical Physics, taught by Frederic Schuller. The topic is propositional and predicate logic. Most physics courses assume logic and start with mechanics. Schuller refuses. Before manifolds, before tensors, before a single physical claim, he builds the language the claims will be written in. The audience is advanced students who have already met the physics. He is going back under it and rebuilding the floor. Watch how precisely he states each rule, then shows what collapses if you loosen it. No appeals to intuition anywhere in the hour. A machine learning engineer I know worked through the first 10 lectures and said proofs stopped feeling like a different profession. Free on YouTube, green chalkboard, German lecture hall. Everyone starts with the physics. He started with what counts as true.
1:40:34

A theoretical physics course opens not with equations but with the rules for saying anything true at all. This is lecture 1 of Lectures on the Geometric Anatomy of Theoretical Physics, taught by Frederic Schuller. The topic is propositional and predicate logic. Most physics courses assume logic and start with mechanics. Schuller refuses. Before manifolds, before tensors, before a single physical claim, he builds the language the claims will be written in. The audience is advanced students who have already met the physics. He is going back under it and rebuilding the floor. Watch how precisely he states each rule, then shows what collapses if you loosen it. No appeals to intuition anywhere in the hour. A machine learning engineer I know worked through the first 10 lectures and said proofs stopped feeling like a different profession. Free on YouTube, green chalkboard, German lecture hall. Everyone starts with the physics. He started with what counts as true.

Gaspar

18,907 Aufrufe • vor 1 Monat

In 2013 a Wall Street risk boss walked up to an MIT chalkboard and gave away the exact math desks charge $400,000 a year to run. MIT filmed it. it has been free for 13 years. 7.9 million people pressed play and almost none of them changed a thing. his point: the Wall Street edge was never a secret. it is a first lecture. options, risk, how a payout is actually built. every prediction-market trader hunting an edge in 2026 is chasing what Jake Xia put on a board in hour one of a free class. he ran risk for a living, not a channel. the video outdrew most blockbusters and still moved almost no one, because watching is not doing. skip to where he prices risk. he takes the thing quant threads sell for $500 and builds it from zero, slow enough for a beginner to follow. no paywall. no NDA. one board and a marker. a quant I know sends this link to every junior who whines the math is too hard. you are 13 years late. it is still free.
1:00:07

In 2013 a Wall Street risk boss walked up to an MIT chalkboard and gave away the exact math desks charge $400,000 a year to run. MIT filmed it. it has been free for 13 years. 7.9 million people pressed play and almost none of them changed a thing. his point: the Wall Street edge was never a secret. it is a first lecture. options, risk, how a payout is actually built. every prediction-market trader hunting an edge in 2026 is chasing what Jake Xia put on a board in hour one of a free class. he ran risk for a living, not a channel. the video outdrew most blockbusters and still moved almost no one, because watching is not doing. skip to where he prices risk. he takes the thing quant threads sell for $500 and builds it from zero, slow enough for a beginner to follow. no paywall. no NDA. one board and a marker. a quant I know sends this link to every junior who whines the math is too hard. you are 13 years late. it is still free.

Loran

152,813 Aufrufe • vor 1 Monat

A Fields Medalist stood on a stage in the 1960s and taught the geometry every gradient moves through. The film went missing for years. This is John Milnor, lecture 1 on differential topology, filmed by the Mathematical Association of America soon after he won the Fields Medal in 1962. He was in his early 30s. The same lectures became Topology from the Differentiable Viewpoint, a book still assigned 60 years later and short enough to read in a week. Smooth maps, manifolds, regular values. The vocabulary under every loss surface, every latent space, every paper with the word manifold in the abstract. Watch what he writes at the top of the board and how little he needs after it. No slides, no notation dumped on the room, each definition doing real work. A research engineer I know worked through the book alongside the film and said the two together beat every modern course he tried. The footage was unavailable for years. It sits free on YouTube now, black and white, 1 fixed camera. The best textbook in the field is a transcript of this room.
51:41

A Fields Medalist stood on a stage in the 1960s and taught the geometry every gradient moves through. The film went missing for years. This is John Milnor, lecture 1 on differential topology, filmed by the Mathematical Association of America soon after he won the Fields Medal in 1962. He was in his early 30s. The same lectures became Topology from the Differentiable Viewpoint, a book still assigned 60 years later and short enough to read in a week. Smooth maps, manifolds, regular values. The vocabulary under every loss surface, every latent space, every paper with the word manifold in the abstract. Watch what he writes at the top of the board and how little he needs after it. No slides, no notation dumped on the room, each definition doing real work. A research engineer I know worked through the book alongside the film and said the two together beat every modern course he tried. The footage was unavailable for years. It sits free on YouTube now, black and white, 1 fixed camera. The best textbook in the field is a transcript of this room.

the lich

29,983 Aufrufe • vor 1 Monat

A banking professor was asked to describe the money supply and answered that the textbook version is not how it works. Richard Werner, 2019, a curtain, a suit, no audience. His question is narrow and almost nobody asks it: why do lending and deposit taking sit inside the same firm at all. Split them and the whole mechanism stops. The reason is an accounting reason, not an economic one. Watch the part where he moves from that split to why no other company on earth can do the same thing. No slides, no stage, a camera in a room. Every other firm lends what it has. One kind of firm writes the number first.
1:48:01

A banking professor was asked to describe the money supply and answered that the textbook version is not how it works. Richard Werner, 2019, a curtain, a suit, no audience. His question is narrow and almost nobody asks it: why do lending and deposit taking sit inside the same firm at all. Split them and the whole mechanism stops. The reason is an accounting reason, not an economic one. Watch the part where he moves from that split to why no other company on earth can do the same thing. No slides, no stage, a camera in a room. Every other firm lends what it has. One kind of firm writes the number first.

Merlow

12,157 Aufrufe • vor 16 Tagen