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[@3blue1brown](/creator/youtube/3blue1brown)
"What is a group"  
[YouTube Link](https://youtube.com/watch?v=3KbiJ-z0j44) [@3blue1brown](/creator/youtube/3blue1brown) 2023-12-27T19:00Z 7.8M followers, 151.3K engagements


"Abstract vector spaces Chapter XX Essence of linear algebra"  
[YouTube Link](https://youtube.com/watch?v=TgKwz5Ikpc8) [@3blue1brown](/creator/youtube/3blue1brown) 2016-09-24T19:29Z 7.8M followers, 1.7M engagements


"How wiggling charges give rise to light"  
[YouTube Link](https://youtube.com/watch?v=aXRTczANuIs) [@3blue1brown](/creator/youtube/3blue1brown) 2023-09-01T13:39Z 7.8M followers, 1.7M engagements


"Answering viewer questions about refraction"  
[YouTube Link](https://youtube.com/watch?v=Cz4Q4QOuoo8) [@3blue1brown](/creator/youtube/3blue1brown) 2023-12-03T11:35Z 7.8M followers, 1M engagements


"How prisms work (full video linked above)"  
[YouTube Link](https://youtube.com/watch?v=GSIuXqgPsnY) [@3blue1brown](/creator/youtube/3blue1brown) 2023-12-07T01:31Z 7.8M followers, 8.3M engagements


"The hardest problem on the hardest test"  
[YouTube Link](https://youtube.com/watch?v=OkmNXy7er84) [@3blue1brown](/creator/youtube/3blue1brown) 2017-12-08T15:04Z 7.8M followers, 16.6M engagements


"Limits L'Hpital's rule and epsilon delta definitions Chapter X Essence of calculus"  
[YouTube Link](https://youtube.com/watch?v=kfF40MiS7zA) [@3blue1brown](/creator/youtube/3blue1brown) 2017-05-04T15:05Z 7.8M followers, 2.4M engagements


"Integration and the fundamental theorem of calculus Chapter X Essence of calculus"  
[YouTube Link](https://youtube.com/watch?v=rfG8ce4nNh0) [@3blue1brown](/creator/youtube/3blue1brown) 2017-05-05T15:05Z 7.8M followers, 2.8M engagements


"The Physics of Euler's Formula Laplace Transform Prelude"  
[YouTube Link](https://youtube.com/watch?v=-j8PzkZ70Lg) [@3blue1brown](/creator/youtube/3blue1brown) 2025-10-05T13:53Z 7.8M followers, 585.7K engagements


"Cross products in the light of linear transformations Chapter XX Essence of linear algebra"  
[YouTube Link](https://youtube.com/watch?v=BaM7OCEm3G0) [@3blue1brown](/creator/youtube/3blue1brown) 2016-09-01T03:54Z 7.8M followers, 1.4M engagements


"Gradient descent how neural networks learn Deep Learning Chapter 2"  
[YouTube Link](https://youtube.com/watch?v=IHZwWFHWa-w) [@3blue1brown](/creator/youtube/3blue1brown) 2017-10-16T16:48Z 7.8M followers, 8.5M engagements


"LLMs are next-word predictors"  
[YouTube Link](https://youtube.com/watch?v=KHEtJUlpqcg) [@3blue1brown](/creator/youtube/3blue1brown) 2024-11-04T15:24Z 7.8M followers, 202.7K engagements


"Don't let it fool you"  
[YouTube Link](https://youtube.com/watch?v=VFbyGEZLMZw) [@3blue1brown](/creator/youtube/3blue1brown) 2023-12-07T01:11Z 7.8M followers, 17.9M engagements


"The essence of calculus"  
[YouTube Link](https://youtube.com/watch?v=WUvTyaaNkzM) [@3blue1brown](/creator/youtube/3blue1brown) 2017-04-28T15:58Z 7.8M followers, 10.8M engagements


"What is Euler's formula actually saying Ep. X Lockdown live math"  
[YouTube Link](https://youtube.com/watch?v=ZxYOEwM6Wbk) [@3blue1brown](/creator/youtube/3blue1brown) 2020-04-28T19:58Z 7.8M followers, 1.6M engagements


"But how does bitcoin actually work"  
[YouTube Link](https://youtube.com/watch?v=bBC-nXj3Ng4) [@3blue1brown](/creator/youtube/3blue1brown) 2017-07-07T16:51Z 7.8M followers, 17.8M engagements


"The dynamics of e(i)"  
[YouTube Link](https://youtube.com/watch?v=bnjKwiUg-kw) [@3blue1brown](/creator/youtube/3blue1brown) 2025-10-12T12:40Z 7.8M followers, 668K engagements


"Logarithm Fundamentals Ep. X Lockdown live math"  
[YouTube Link](https://youtube.com/watch?v=cEvgcoyZvB4) [@3blue1brown](/creator/youtube/3blue1brown) 2020-05-05T20:36Z 7.8M followers, 1.1M engagements


"Why is pi here And why is it squared A geometric answer to the Basel problem"  
[YouTube Link](https://youtube.com/watch?v=d-o3eB9sfls) [@3blue1brown](/creator/youtube/3blue1brown) 2018-03-02T16:23Z 7.8M followers, 7.1M engagements


"Attention in transformers step-by-step Deep Learning Chapter 6"  
[YouTube Link](https://youtube.com/watch?v=eMlx5fFNoYc) [@3blue1brown](/creator/youtube/3blue1brown) 2024-04-07T12:53Z 7.8M followers, 3.3M engagements


"But what is a Laplace Transform"  
[YouTube Link](https://youtube.com/watch?v=j0wJBEZdwLs) [@3blue1brown](/creator/youtube/3blue1brown) 2025-10-12T11:19Z 7.8M followers, 743.8K engagements


"Euler's formula with introductory group theory"  
[YouTube Link](https://youtube.com/watch?v=mvmuCPvRoWQ) [@3blue1brown](/creator/youtube/3blue1brown) 2017-03-03T22:07Z 7.8M followers, 2.7M engagements


"Differential equations a tourist's guide DE1"  
[YouTube Link](https://youtube.com/watch?v=p_di4Zn4wz4) [@3blue1brown](/creator/youtube/3blue1brown) 2019-03-31T15:15Z 7.8M followers, 5.2M engagements


"Three-dimensional linear transformations Chapter X Essence of linear algebra"  
[YouTube Link](https://youtube.com/watch?v=rHLEWRxRGiM) [@3blue1brown](/creator/youtube/3blue1brown) 2016-08-09T22:01Z 7.8M followers, 2.4M engagements


"But what is the Riemann zeta function Visualizing analytic continuation"  
[YouTube Link](https://youtube.com/watch?v=sD0NjbwqlYw) [@3blue1brown](/creator/youtube/3blue1brown) 2016-12-09T17:50Z 7.8M followers, 5.2M engagements


"Backpropagation calculus Deep Learning Chapter 4"  
[YouTube Link](https://youtube.com/watch?v=tIeHLnjs5U8) [@3blue1brown](/creator/youtube/3blue1brown) 2017-11-03T14:08Z 7.8M followers, 3.5M engagements


"Euler's Formula and Graph Duality"  
[YouTube Link](https://youtube.com/watch?v=-9OUyo8NFZg) [@3blue1brown](/creator/youtube/3blue1brown) 2015-06-21T06:05Z 7.8M followers, 518.8K engagements


"Binary Hanoi and Sierpinski part 1"  
[YouTube Link](https://youtube.com/watch?v=2SUvWfNJSsM) [@3blue1brown](/creator/youtube/3blue1brown) 2016-11-25T17:30Z 7.8M followers, 764.7K engagements


"Taylor series Chapter XX Essence of calculus"  
[YouTube Link](https://youtube.com/watch?v=3d6DsjIBzJ4) [@3blue1brown](/creator/youtube/3blue1brown) 2017-05-07T14:06Z 7.8M followers, 4.8M engagements


"Complex number fundamentals Ep. X Lockdown live math"  
[YouTube Link](https://youtube.com/watch?v=5PcpBw5Hbwo) [@3blue1brown](/creator/youtube/3blue1brown) 2020-04-24T20:31Z 7.8M followers, 2M engagements


"Why colliding blocks compute pi"  
[YouTube Link](https://youtube.com/watch?v=6dTyOl1fmDo) [@3blue1brown](/creator/youtube/3blue1brown) 2025-03-13T15:36Z 7.8M followers, 4.3M engagements


"Definition of a "bit" in information theory"  
[YouTube Link](https://youtube.com/watch?v=BTryyW7gqg4) [@3blue1brown](/creator/youtube/3blue1brown) 2024-01-02T00:00Z 7.8M followers, 230.4K engagements


"The Brachistochrone with Steven Strogatz"  
[YouTube Link](https://youtube.com/watch?v=Cld0p3a43fU) [@3blue1brown](/creator/youtube/3blue1brown) 2016-04-01T20:27Z 7.8M followers, 1.4M engagements


"But why is a sphere's surface area four times its shadow"  
[YouTube Link](https://youtube.com/watch?v=GNcFjFmqEc8) [@3blue1brown](/creator/youtube/3blue1brown) 2018-12-02T20:08Z 7.8M followers, 8.6M engagements


"The most unexpected answer to a counting puzzle"  
[YouTube Link](https://youtube.com/watch?v=HEfHFsfGXjs) [@3blue1brown](/creator/youtube/3blue1brown) 2019-01-13T16:12Z 7.8M followers, 14.4M engagements


"This open problem taught me what topology is"  
[YouTube Link](https://youtube.com/watch?v=IQqtsm-bBRU) [@3blue1brown](/creator/youtube/3blue1brown) 2024-12-24T17:50Z 7.8M followers, 2M engagements


"But what is a convolution"  
[YouTube Link](https://youtube.com/watch?v=KuXjwB4LzSA) [@3blue1brown](/creator/youtube/3blue1brown) 2022-11-18T16:00Z 7.8M followers, 3.4M engagements


"The unexpectedly hard windmill question (2011 IMO Q2)"  
[YouTube Link](https://youtube.com/watch?v=M64HUIJFTZM) [@3blue1brown](/creator/youtube/3blue1brown) 2019-08-04T17:03Z 7.8M followers, 5.6M engagements


"Change of basis Chapter XX Essence of linear algebra"  
[YouTube Link](https://youtube.com/watch?v=P2LTAUO1TdA) [@3blue1brown](/creator/youtube/3blue1brown) 2016-09-11T17:56Z 7.8M followers, 2.3M engagements


"Tips to be a better problem solver Last live lecture Ep. XX Lockdown live math"  
[YouTube Link](https://youtube.com/watch?v=QvuQH4_05LI) [@3blue1brown](/creator/youtube/3blue1brown) 2020-05-22T20:14Z 7.8M followers, 1.4M engagements


"How to derive a formula for"  
[YouTube Link](https://youtube.com/watch?v=R1e7aHBKLnM) [@3blue1brown](/creator/youtube/3blue1brown) 2023-12-25T19:00Z 7.8M followers, 1M engagements


"What does it feel like to invent math"  
[YouTube Link](https://youtube.com/watch?v=XFDM1ip5HdU) [@3blue1brown](/creator/youtube/3blue1brown) 2015-08-14T01:20Z 7.8M followers, 4.5M engagements


"Testing your intuition for quantum computing"  
[YouTube Link](https://youtube.com/watch?v=XX8mjBXBqz8) [@3blue1brown](/creator/youtube/3blue1brown) 2025-04-30T12:32Z 7.8M followers, 1.2M engagements


"Terence Tao on the cosmic distance ladder"  
[YouTube Link](https://youtube.com/watch?v=YdOXS_9_P4U) [@3blue1brown](/creator/youtube/3blue1brown) 2025-02-08T13:35Z 7.8M followers, 3.6M engagements


"How pi was almost 6.283185"  
[YouTube Link](https://youtube.com/watch?v=bcPTiiiYDs8) [@3blue1brown](/creator/youtube/3blue1brown) 2018-03-14T13:05Z 7.8M followers, 1.8M engagements


"Visualizing the 4d numbers Quaternions"  
[YouTube Link](https://youtube.com/watch?v=d4EgbgTm0Bg) [@3blue1brown](/creator/youtube/3blue1brown) 2018-09-06T14:59Z 7.8M followers, 5.2M engagements


"The power tower puzzle Ep. X Lockdown live math"  
[YouTube Link](https://youtube.com/watch?v=elQVZLLiod4) [@3blue1brown](/creator/youtube/3blue1brown) 2020-05-12T19:59Z 7.8M followers, 934K engagements


"Vectors Chapter X Essence of linear algebra"  
[YouTube Link](https://youtube.com/watch?v=fNk_zzaMoSs) [@3blue1brown](/creator/youtube/3blue1brown) 2016-08-06T00:05Z 7.8M followers, 10.8M engagements


"Simulating an epidemic"  
[YouTube Link](https://youtube.com/watch?v=gxAaO2rsdIs) [@3blue1brown](/creator/youtube/3blue1brown) 2020-03-27T19:47Z 7.8M followers, 5.4M engagements


"Prime spirals"  
[YouTube Link](https://youtube.com/watch?v=h2V3r7oBeMI) [@3blue1brown](/creator/youtube/3blue1brown) 2023-12-09T00:00Z 7.8M followers, 4.1M engagements


"Linear transformations and matrices Chapter X Essence of linear algebra"  
[YouTube Link](https://youtube.com/watch?v=kYB8IZa5AuE) [@3blue1brown](/creator/youtube/3blue1brown) 2016-08-07T21:39Z 7.8M followers, 6.4M engagements


"Group theory abstraction and the 196883-dimensional monster"  
[YouTube Link](https://youtube.com/watch?v=mH0oCDa74tE) [@3blue1brown](/creator/youtube/3blue1brown) 2020-08-19T14:01Z 7.8M followers, 3.6M engagements


"The scale of training LLMs"  
[YouTube Link](https://youtube.com/watch?v=qSn8dVI9V5I) [@3blue1brown](/creator/youtube/3blue1brown) 2024-11-20T15:07Z 7.8M followers, 413.8K engagements


"But what is the Fourier Transform A visual introduction"  
[YouTube Link](https://youtube.com/watch?v=spUNpyF58BY) [@3blue1brown](/creator/youtube/3blue1brown) 2018-01-26T18:47Z 7.8M followers, 11.9M engagements


"Inverse matrices column space and null space Chapter X Essence of linear algebra"  
[YouTube Link](https://youtube.com/watch?v=uQhTuRlWMxw) [@3blue1brown](/creator/youtube/3blue1brown) 2016-08-15T22:00Z 7.8M followers, 3.5M engagements


"Measuring the earth with Terence Tao"  
[YouTube Link](https://youtube.com/watch?v=uT4-WVa-YfU) [@3blue1brown](/creator/youtube/3blue1brown) 2025-02-08T13:35Z 7.8M followers, 462.4K engagements


"Solving Wordle using information theory"  
[YouTube Link](https://youtube.com/watch?v=v68zYyaEmEA) [@3blue1brown](/creator/youtube/3blue1brown) 2022-02-06T13:28Z 7.8M followers, 11.6M engagements


"How are holograms possible"  
[YouTube Link](https://youtube.com/watch?v=EmKQsSDlaa4) [@3blue1brown](/creator/youtube/3blue1brown) 2024-10-05T15:31Z 7.8M followers, 5.7M engagements


"Beyond the Mandelbrot set an intro to holomorphic dynamics"  
[YouTube Link](https://youtube.com/watch?v=LqbZpur38nw) [@3blue1brown](/creator/youtube/3blue1brown) 2021-10-16T12:39Z 7.8M followers, 1.7M engagements


"Derivative formulas through geometry Chapter X Essence of calculus"  
[YouTube Link](https://youtube.com/watch?v=S0_qX4VJhMQ) [@3blue1brown](/creator/youtube/3blue1brown) 2017-04-30T15:24Z 7.8M followers, 3.4M engagements


"But how do AI images and videos actually work Guest video by Welch Labs"  
[YouTube Link](https://youtube.com/watch?v=iv-5mZ_9CPY) [@3blue1brown](/creator/youtube/3blue1brown) 2025-07-25T12:14Z 7.8M followers, 1.3M engagements


"Nonsquare matrices as transformations between dimensions Chapter X Essence of linear algebra"  
[YouTube Link](https://youtube.com/watch?v=v8VSDg_WQlA) [@3blue1brown](/creator/youtube/3blue1brown) 2016-08-16T21:59Z 7.8M followers, 1.9M engagements


"The Wallis product for pi proved geometrically"  
[YouTube Link](https://youtube.com/watch?v=8GPy_UMV-08) [@3blue1brown](/creator/youtube/3blue1brown) 2018-04-20T18:59Z 7.8M followers, 902.1K engagements


"Hologram preview"  
[YouTube Link](https://youtube.com/watch?v=W3-kpRz-e1Q) [@3blue1brown](/creator/youtube/3blue1brown) 2024-10-11T14:00Z 7.8M followers, 65.6K engagements


"Newtons fractal (which Newton knew nothing about)"  
[YouTube Link](https://youtube.com/watch?v=-RdOwhmqP5s) [@3blue1brown](/creator/youtube/3blue1brown) 2021-10-12T18:57Z 7.8M followers, 3.1M engagements


"Hilbert's Curve: Is infinite math useful"  
[YouTube Link](https://youtube.com/watch?v=3s7h2MHQtxc) [@3blue1brown](/creator/youtube/3blue1brown) 2017-07-21T15:33Z 7.8M followers, 2.4M engagements


"The AI that solved IMO Geometry Problems Guest video by @Aleph0"  
[YouTube Link](https://youtube.com/watch?v=4NlrfOl0l8U) [@3blue1brown](/creator/youtube/3blue1brown) 2025-08-17T13:02Z 7.8M followers, 386.5K engagements


"What makes the natural log "natural" Ep. X Lockdown live math"  
[YouTube Link](https://youtube.com/watch?v=4PDoT7jtxmw) [@3blue1brown](/creator/youtube/3blue1brown) 2020-05-08T20:22Z 7.8M followers, 1.7M engagements


"Simulating the electric field and a moving charge"  
[YouTube Link](https://youtube.com/watch?v=81QNyDnYtg0) [@3blue1brown](/creator/youtube/3blue1brown) 2024-01-26T06:00Z 7.8M followers, 1.2M engagements


"Binomial distributions Probabilities of probabilities part 1"  
[YouTube Link](https://youtube.com/watch?v=8idr1WZ1A7Q) [@3blue1brown](/creator/youtube/3blue1brown) 2020-03-15T18:28Z 7.8M followers, 2.5M engagements


"How might LLMs store facts Deep Learning Chapter 7"  
[YouTube Link](https://youtube.com/watch?v=9-Jl0dxWQs8) [@3blue1brown](/creator/youtube/3blue1brown) 2024-08-31T12:11Z 7.8M followers, 1.7M engagements


"The paradox of the derivative Chapter X Essence of calculus"  
[YouTube Link](https://youtube.com/watch?v=9vKqVkMQHKk) [@3blue1brown](/creator/youtube/3blue1brown) 2017-04-29T16:24Z 7.8M followers, 4.2M engagements


"Higher order derivatives Chapter XX Essence of calculus"  
[YouTube Link](https://youtube.com/watch?v=BLkz5LGWihw) [@3blue1brown](/creator/youtube/3blue1brown) 2017-05-07T14:05Z 7.8M followers, 864.7K engagements


"The other way to visualize derivatives Chapter XX Essence of calculus"  
[YouTube Link](https://youtube.com/watch?v=CfW845LNObM) [@3blue1brown](/creator/youtube/3blue1brown) 2018-05-19T14:09Z 7.8M followers, 3.8M engagements


"Why do prime numbers make these spirals Dirichlets theorem and pi approximations"  
[YouTube Link](https://youtube.com/watch?v=EK32jo7i5LQ) [@3blue1brown](/creator/youtube/3blue1brown) 2019-10-08T17:02Z 7.8M followers, 7.2M engagements


"Sphere surface area proof sketch"  
[YouTube Link](https://youtube.com/watch?v=EPDZTLavmcg) [@3blue1brown](/creator/youtube/3blue1brown) 2024-11-17T16:00Z 7.8M followers, 1.6M engagements


"How word vectors encode meaning"  
[YouTube Link](https://youtube.com/watch?v=FJtFZwbvkI4) [@3blue1brown](/creator/youtube/3blue1brown) 2024-04-11T16:23Z 7.8M followers, 3.2M engagements


"e to the pi i a nontraditional take (old version)"  
[YouTube Link](https://youtube.com/watch?v=F_0yfvm0UoU) [@3blue1brown](/creator/youtube/3blue1brown) 2015-03-05T06:15Z 7.8M followers, 2.8M engagements


"What does area have to do with slope Chapter X Essence of calculus"  
[YouTube Link](https://youtube.com/watch?v=FnJqaIESC2s) [@3blue1brown](/creator/youtube/3blue1brown) 2017-05-06T13:53Z 7.8M followers, 1.6M engagements


"Bayes theorem the geometry of changing beliefs"  
[YouTube Link](https://youtube.com/watch?v=HZGCoVF3YvM) [@3blue1brown](/creator/youtube/3blue1brown) 2019-12-22T14:31Z 7.8M followers, 5.5M engagements


"Convolutions Why X+Y in probability is a beautiful mess"  
[YouTube Link](https://youtube.com/watch?v=IaSGqQa5O-M) [@3blue1brown](/creator/youtube/3blue1brown) 2023-06-27T15:08Z 7.8M followers, 923.7K engagements


"Backpropagation intuitively Deep Learning Chapter 3"  
[YouTube Link](https://youtube.com/watch?v=Ilg3gGewQ5U) [@3blue1brown](/creator/youtube/3blue1brown) 2017-11-03T14:03Z 7.8M followers, 5.6M engagements


"The determinant Chapter X Essence of linear algebra"  
[YouTube Link](https://youtube.com/watch?v=Ip3X9LOh2dk) [@3blue1brown](/creator/youtube/3blue1brown) 2016-08-10T22:31Z 7.8M followers, 4.5M engagements


"But why would light "slow down" Visualizing Feynman's lecture on the refractive index"  
[YouTube Link](https://youtube.com/watch?v=KTzGBJPuJwM) [@3blue1brown](/creator/youtube/3blue1brown) 2023-11-30T18:42Z 7.8M followers, 2.4M engagements


"Exponential growth and epidemics"  
[YouTube Link](https://youtube.com/watch?v=Kas0tIxDvrg) [@3blue1brown](/creator/youtube/3blue1brown) 2020-03-08T16:58Z 7.8M followers, 6.2M engagements


"Large Language Models explained briefly"  
[YouTube Link](https://youtube.com/watch?v=LPZh9BOjkQs) [@3blue1brown](/creator/youtube/3blue1brown) 2024-11-20T15:07Z 7.8M followers, 4.2M engagements


"The inscribed square problem"  
[YouTube Link](https://youtube.com/watch?v=LuVUnd0C07U) [@3blue1brown](/creator/youtube/3blue1brown) 2024-12-24T18:46Z 7.8M followers, 4.4M engagements


"Dot products and duality Chapter X Essence of linear algebra"  
[YouTube Link](https://youtube.com/watch?v=LyGKycYT2v0) [@3blue1brown](/creator/youtube/3blue1brown) 2016-08-24T19:20Z 7.8M followers, 3M engagements


"What was Euclid really doing Guest video by Ben Syversen"  
[YouTube Link](https://youtube.com/watch?v=M-MgQC6z3VU) [@3blue1brown](/creator/youtube/3blue1brown) 2025-09-18T14:13Z 7.8M followers, 493.6K engagements


"The more general uncertainty principle regarding Fourier transforms"  
[YouTube Link](https://youtube.com/watch?v=MBnnXbOM5S4) [@3blue1brown](/creator/youtube/3blue1brown) 2018-02-25T00:25Z 7.8M followers, 2.3M engagements


"The simpler quadratic formula Ep. X Lockdown live math"  
[YouTube Link](https://youtube.com/watch?v=MHXO86wKeDY) [@3blue1brown](/creator/youtube/3blue1brown) 2020-04-17T20:04Z 7.8M followers, 1.5M engagements


"Some light quantum mechanics (with minutephysics)"  
[YouTube Link](https://youtube.com/watch?v=MzRCDLre1b4) [@3blue1brown](/creator/youtube/3blue1brown) 2017-09-13T14:06Z 7.8M followers, 2.1M engagements


"How They Fool Ya (live) Math parody of Hallelujah"  
[YouTube Link](https://youtube.com/watch?v=NOCsdhzo6Jg) [@3blue1brown](/creator/youtube/3blue1brown) 2023-06-28T19:17Z 7.8M followers, 1.2M engagements


"Pi hiding in prime regularities"  
[YouTube Link](https://youtube.com/watch?v=NaL_Cb42WyY) [@3blue1brown](/creator/youtube/3blue1brown) 2017-05-19T15:41Z 7.8M followers, 2.8M engagements


"How (and why) to raise e to the power of a matrix DE6"  
[YouTube Link](https://youtube.com/watch?v=O85OWBJ2ayo) [@3blue1brown](/creator/youtube/3blue1brown) 2021-04-01T15:50Z 7.8M followers, 3.4M engagements


"Eigenvectors and eigenvalues Chapter XX Essence of linear algebra"  
[YouTube Link](https://youtube.com/watch?v=PFDu9oVAE-g) [@3blue1brown](/creator/youtube/3blue1brown) 2016-09-15T18:22Z 7.8M followers, 5.8M engagements


"All possible pythagorean triples visualized"  
[YouTube Link](https://youtube.com/watch?v=QJYmyhnaaek) [@3blue1brown](/creator/youtube/3blue1brown) 2017-05-26T17:58Z 7.8M followers, 4.1M engagements


"But what is quantum computing (Grover's Algorithm)"  
[YouTube Link](https://youtube.com/watch?v=RQWpF2Gb-gU) [@3blue1brown](/creator/youtube/3blue1brown) 2025-04-30T12:32Z 7.8M followers, 2.5M engagements


"Fractal charm: Space filling curves"  
[YouTube Link](https://youtube.com/watch?v=RU0wScIj36o) [@3blue1brown](/creator/youtube/3blue1brown) 2016-01-17T01:43Z 7.8M followers, 2.1M engagements


"How secure is XXX bit security"  
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