3Blue1Brown: the videos Hacker News recommends
Not the channel's most viewed videos: the ones HN commenters kept linking with real commentary. The top pick, "Vectors | Chapter 1, Essence of linear algebra", hN's go-to recommendation for learning linear algebra intuition, repeatedly credited with making concepts click and complementing textbooks.
- 17 HN recommenders 18 months 2018–2026courseHN's go-to recommendation for learning linear algebra intuition, repeatedly credited with making concepts click and complementing textbooks.
- 16 HN recommenders 15 months 2018–2025explainerHN's default recommendation for understanding the Fourier transform intuitively; many say it was the explanation that made it click.
- 16 HN recommenders 14 months 2017–2025explainerHN treats it as the standard first stop for learning neural networks, praised for making the math intuitive.
- 15 HN recommenders 11 months 2017–2024explainerThe go-to recommended video for newcomers wanting a clear, visual explanation of how Bitcoin and blockchains work.
- 13 HN recommenders 10 months 2024–2026explainerHN treats it as the go-to visual introduction to transformers, and many say it finally made attention and embeddings click.
- 10 HN recommenders 9 months 2017–2025courseA staple recommendation for anyone learning math, praised for visual intuition that makes memorized formulas make sense.
- 11 HN recommenders 7 months 2016–2018courseHN repeatedly recommends the series as the best intuition-first, visual introduction to linear algebra and a benchmark for clear math explanation.
- 8 HN recommenders 7 months 2017–2025explainerHN fans list it among their favorite 3Blue1Brown videos for showing how mathematical problem solving actually unfolds.
- 6 HN recommenders 6 months 2019–2024explainerHN repeatedly points people to it as the clearest visual intuition for determinants, often saying it finally made the concept click.
- 7 HN recommenders 7 months 2017–2024explainerIt is the standard pointer for a clear, visual explanation of what fractals are, and for correcting the idea that fractal means self-similar.
- 6 HN recommenders 6 months 2017–2025explainerHN recommends it as the go-to intuitive visualization of high-dimensional geometry, relevant to machine learning, optimization and sphere packing.
- 6 HN recommenders 5 months 2016–2025explainerHN repeatedly names it the best, most intuitive explanation of eigenvalues, and a gateway to the whole linear algebra series.
- 7 HN recommenders 6 months 2019–2025explainerHN recommends it as the clearest visual explanation that uncertainty is intrinsic to waves, separate from measurement disturbance.
- 6 HN recommenders 6 months 2018–2023explainerHN commenters recommend it as the best visual explanation of quaternions and a good way to visualize higher dimensions.
- 6 HN recommenders 5 months 2016–2024explainerRecommended as a favorite Grant Sanderson video and a visual introduction to p-adic numbers and sums like 1+2+4+...
- 8 HN recommenders 5 months 2020–2023explainerHN pointed to it during 2020 as a digestible, well-made illustration of epidemic dynamics and interventions.
- 6 HN recommenders 5 months 2017–2023explainerHN praises its visualizations, its handling of the -1/12 result, and its ending, and often prefers it to other explanations of the topic.
- 4 HN recommenders 4 months 2017–2020explainerFans name it as a favorite 3Blue1Brown video, praising its detective-story treatment of the inscribed square and rectangle problem.
- 7 HN recommenders 5 months 2019–2024explainerFrequently recommended as the clearest explanation of prime spirals and the Ulam spiral.
- 5 HN recommenders 5 months 2023–2026explainerHN considers it among the clearest accessible explanations of what refractive index actually is and how light moves through transparent matter.
- 5 HN recommenders 4 months 2024–2026explainerHN treats it as the go-to visual explanation of attention, recommended to people who find text-based transformer explainers hard to follow.
- 4 HN recommenders 4 months 2020–2025explainerRecommended as the visual explanation that makes Fourier series and transforms click, even for laypeople.
- 5 HN recommenders 4 months 2016–2023explainerHN points to it in notation debates as a clean visual demonstration that exponents, logs and roots are three views of one relationship.
- 4 HN recommenders 4 months 2017–2024explainerRecommended as the best visual introduction to Hilbert curves, which come up in indexing, image layout and dimensionality mapping.
- 4 HN recommenders 4 months 2020–2023explainerHN recommends it as an invaluable, intuitive explanation of Hamming codes that pairs well with hardware-oriented treatments.
- 4 HN recommenders 4 months 2020–2025explainerHN's go-to link whenever Bayesian reasoning, base rates or imperfect tests come up.
- 4 HN recommenders 4 months 2020–2021explainerHN commenters point to it as a quick, visual way to understand Euler's identity.
- 4 HN recommenders 3 months 2017–2024explainerRecommended as the most accessible introduction to backprop for people who struggle with the pure math.
- 3 HN recommenders 3 months 2017–2019explainerPraised as a beautiful, understandable proof and a favorite among 3Blue1Brown videos.
- 3 HN recommenders 3 months 2024–2025explainerHN commenters call it the best explanation of how holograms work, and one says it transformed their understanding.
- 4 HN recommenders 3 months 2017–2024explainerHN recommends the series as a very accessible way to understand the math behind machine learning and LLMs.
- 2 HN recommenders 3 months 2020–2023explainerHN uses it as the go-to illustration of just how large 2^256 is.
- 3 HN recommenders 3 months 2017–2024explainerRecommended as a mind-opening, visual explanation of why Euler's formula is true.
- 3 HN recommenders 3 months 2024–2026demoRecommended as a rare detailed look at how 3b1b videos are made, including live debugging of his rendering engine.
- 2 HN recommenders 2 months 2025–2026explainerHN recommends it as an excellent explanation of how we know cosmic distances.
- 2 HN recommenders 2 months 2022–2024explainerHN people recommend it as the most intuitive introduction to Bayes' theorem and cite it in base-rate arguments.
- 3 HN recommenders 2 months 2017–2024explainerRecommended as an accessible, visual way to understand backpropagation and neural networks.
- 2 HN recommenders 2 months 2022–2024explainerHN recommends it as the go-to explanation of optimal Wordle openers like CRANE and a friendly introduction to information theory, also relevant to Mastermind.
- 10 HN recommenders 1 months 2020explainerDuring the early COVID-19 period, HN commenters linked it as the clearest quick explanation of what exponential growth means for an epidemic.
- 2 HN recommenders 1 months 2020–2022explainerRecommended as an approachable way to understand the quantum nature of light and basic quantum math without heavy machinery.
- 1 HN recommenders 1 months 2020–2023lectureHN recommends it as the explanation that makes complex exponentials click, especially for understanding the Fourier transform.
- 1 HN recommenders 1 months 2021–2023explainerMentioned as a favorite 3Blue1Brown video and a related watch in threads about deep mathematical structure.
- 1 HN recommenders 1 months 2025–2026explainerHN uses it as a clear explainer for diffusion mechanics, such as negative prompts and faster sampling, and for joint text-image encoders.
Questions
Which 3Blue1Brown video does Hacker News recommend most?
Vectors | Chapter 1, Essence of linear algebra: recommended in 18 different months by 17 HN users between 2018 and 2026.
Is this every 3Blue1Brown video?
No. Only videos that at least three different HN users linked, in at least three different months, with at least a sentence of their own commentary. That filter is what makes the list useful.
Video list and Hacker News comment labels from HackerTube (prompted by @karpathy), released under ODC-By 1.0, built on the open-index/hacker-news archive. Hacker News data is provided by Y Combinator; comments remain the work of their authors. Video titles, channel names and thumbnails belong to their creators and are shown via YouTube. HackerTube Watch is an unofficial edition. Data export of 2026-10-31.