HN's go-to recommendation for learning linear algebra intuition, repeatedly credited with making concepts click and complementing textbooks.
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Videos Hacker News has been recommending in 2025 and 2026.
HN recommends it repeatedly as one of the best and most entertaining programming talks, and as the talk that makes the Y combinator click, even for people who do not use Ruby.
HN treats it as the canonical, near-universally recommended lecture on giving talks and presentations.
HN treats it as the best starting point for really understanding backprop and neural nets, because Karpathy explains the why with intuition and builds everything in code.
HN repeatedly recommends it as a master class in limited-palette pixel art and palette cycling, from an artist behind Loom and Monkey Island.
It is HN's standard answer to why Python cannot easily get much faster, and is recommended by people who work on JITs and alternative runtimes.
HN repeatedly calls it the clearest introduction to waves and transmission-line behavior, better than modern explainers.
HN treats it as the definitive, compassionate documentary on why people fall into conspiracy theories.
One of the most consistently recommended lecture series on HN, praised as fascinating, funny and eye-opening about human behavior across many scales.
HN repeatedly recommends it as the best layperson overview of debt, credit and economic cycles.
HN treats it as a top-tier programming talk for learning refactoring and for the wrong-abstraction principle, recommended repeatedly over a decade.
HN's default recommendation for understanding the Fourier transform intuitively; many say it was the explanation that made it click.
Repeatedly called the best way to understand ADHD, and recommended to anyone before commenting on it.
HN treats it as the canonical talk on software complexity, shared constantly and recommended to every programmer regardless of language.
HN commenters repeatedly recommend it as the talk that finally made quantum mechanics click, especially for programmers.
HN treats it as the standard short summary of how power and political incentives work, applied to governments, companies and workplaces.
HN users repeatedly say it changed how they think about writing, calling it a masterclass useful far beyond academia.
HN commenters repeatedly name it as the best explanation of the JS event loop and the first thing to watch before tackling async code.
HN treats it as the standard first stop for learning neural networks, praised for making the math intuitive.
HN's go-to recommendation for colormap and color-perception questions; commenters call it funny, brief, clear and a favorite talk.
HN's default recommendation for a friendly, thorough introduction to heat pumps and why they are so efficient.
HN recommends it often as an entertaining and authentic dramatization of Sinclair versus Acorn, the story from which ARM grew.
HN repeatedly calls it one of the best math and graphics explainers on YouTube, praised for bridging game dev and math.
HN recommends it often and strongly as an eye-opening account of marketing psychology and the engineering of consumer society.
The most-recommended balanced take on systemd, from a BSD perspective, handed to anyone caught up in the systemd debate.
The most recommended introduction to Svelte, credited with sparking its adoption.
HN repeatedly recommends it as a talk that changed how people model data, with ideas that apply well beyond Elm to any typed language.
HN calls it the gold-standard debunking of audiophile myths and the stair-step misconception, and recommends it as a primer on digital audio.
HN returns to it repeatedly as the best single introduction to understanding clinical depression.
It is the go-to recommendation for anyone who wants to genuinely understand Bezier curves and splines, and commenters repeatedly call it one of the best programming-related educational videos.
One of the most frequently recommended online lecture series on HN, praised for giving people vocabulary to examine ethical positions and for Sandel's skilled teaching.
A perennial HN recommendation, brought up whenever sampling, copyright or music history comes up, often described as a must-watch.
HN repeatedly recommends it as an entertaining, mind-opening talk on allocator design and composable generic programming.
Praised as a brilliant, deadpan and inventive hardware hack, and a good starting point for Tom7's videos.
Frequently recommended in autonomous vehicle and Waymo threads as the main counterargument, a long but worthwhile video essay on how self-driving cars could affect cities.
HN calls it mandatory viewing on the AGC, praising the speaker's enthusiasm and the clear account of restartable, robust software design.
It is HN's most frequently recommended starting point for quantum computing because it avoids pop-science hand-waving and needs only basic linear algebra.
The go-to recommendation on game feel and polish, cited by HN as one of the best talks for anyone making interactive things feel good.
HN returns to it for years as an elegant introduction to writing a lexer that is easy to follow even without a parsing background.
HN repeatedly recommends it as the best hands-on way to understand how a CPU and a computer work from first principles.
HN repeatedly recommends it as an amazing talk that derives the essence of Lisp and shows miniKanren-style program synthesis.
HN repeatedly recommends it as the definitive, mind-changing explanation of dishwasher use, even though it runs over 30 minutes.
HN has recommended it for a decade as the standard explainer on automation and unemployment, though skeptics later cite it as an example of overconfident predictions.
HN repeatedly recommends it as the deepest public look at how iCloud Keychain and Apple's device and cloud security are designed.
It is HN's go-to recommendation for the case that programming environments should give instant feedback, and it appears in nearly every thread on live coding, visual programming or developer tools.
Commenters repeatedly name it the best explanation of how internet fame, mobs and outrage work, and cite it in threads about harassment and public figures.
Heavily recommended as a masterpiece of popular science and the classic illustration of how fragile interdependent systems are, trotted out in every blackout or supply chain thread.
HN repeatedly names it the best resource on API design, a staple answer to any 'how do I design an API' question.
Held up as the landmark demoscene production and a counterpoint to software bloat.
HN commenters repeatedly recommend it as a beautiful, approachable explanation of analog mechanical computation, and many have rewatched it.
It is the go-to funny, accessible explanation of why you should never implement datetime handling yourself, linked in nearly every timezone thread.
HN commenters recommend it as an intimate, embedded look at late-90s web history and the spirit of building something important under pressure.
HN treats it as a classic, near-mandatory talk on how programming tools and paradigms stagnated and which older ideas deserve revival.
A perennial recommendation for anyone learning game feel and juice, praised for showing concrete steps that turn a bland prototype into a satisfying game.
HN treats it as the go-to layperson-friendly argument against e-voting and links it in nearly every voting-technology thread.
HN treats it as the standard answer to why FP isn't mainstream and why languages succeed.
HN commenters call it a moving, well-made human story about AI and Go that works for non-technical viewers and does not date.
HN commenters send people to it whenever nulls, Maybe/Option or static typing come up, as a thoughtful dissent from the type-system orthodoxy that changes how some people model data.
HN commenters repeatedly recommend it in longevity and aging threads as a concise, fun case for fighting aging.
HN treats it as the canonical video to link whenever talking to police or interrogations come up.
HN people recommend it as a stunning, mind-bending and existentially humbling view of deep time, and it appears on lists of favorite YouTube videos.
HN commenters call it their favorite introduction to regenerative agriculture, and several say it changed how they garden or farm.
HN repeatedly recommends it as a fantastic demonstration of procedural, OOP and FP approaches to the same problem, and of functional core and imperative shell.
HN treats it as the go-to visual introduction to transformers, and many say it finally made attention and embeddings click.
HN commenters recommend it as a clear framework for placing the current US and world situation within historical debt and empire cycles.
HN people recommend the SICP lectures as a deeper, livelier route into the book and a formative course even for seasoned programmers.
A perennial HN recommendation for outage and postmortem threads, praised as funny, educational and one of the best postmortems anyone has seen.
HN brings it up in any thread about autopilot, Tesla FSD, self-driving cars and crashes as the classic lecture on automation dependency.
It is the standard link in HN threads about software decay, lost knowledge and fragile technological civilization.
HN commenters recommend it as a pointed critique of philanthropy and win-win thinking, delivered inside Google itself, and cite it across threads on wealth, tax and tech power.
It is the standard recommendation for anyone puzzled by unexplained benchmark changes from tiny code edits, and for learning about causal profiling.
HN recommends it as an illuminating, eye-opening long-form take on status, luck and how we judge the successful and unsuccessful.
Hailed as the best video on electrical engineering and an essential, eye-opening watch for anyone designing high-speed boards.
HN returns to it again and again as a favorite example of elegant, chip-free mechanical engineering that beats modern toasters.
HN repeatedly calls it a mind-blowing and accessible introduction to SDFs and procedural art from a master explainer.
A perennial HN recommendation for building intuition about exponential growth, cited whenever endless growth, energy or population come up.
A staple on must-watch lists, recommended as a starting point for Kay's thinking and for why software is often poor and ahistorical.
Recommended often as a clear explanation of why the US system is built to be slow and why gridlock protects minorities.
HN treats it as the standard starting point for Game Boy emulator writers and homebrew developers, with several calling it one of their favorite talks.
HN links it constantly as the standard introduction to stroads and Strong Towns-style arguments about car-centric design.
HN readers recommend it as the best primer for understanding ADHD at a neurological level, often suggesting that even the first 10 to 20 minutes are enlightening.
HN considers it one of the best technical talks ever and cites it in discussions of language design, small cores and extensibility.
HN considers it a classic, hilarious and sobering talk on ML inscrutability and tech hubris, often rewatched.
HN treats it as the standard one-hour teaser for the book and recommends it for its deep-modules thinking before buying or reading the book.
HN repeatedly cites it as the definitive explanation of SwissTable, the design behind Abseil, Rust's hash map and Go's maps.
HN commenters recommend it as a long, evidence-backed theory for what changed in the 1970s and why Congress is broken, even when they are unsure they agree.
HN's go-to link in typing debates and for talk lists, and several call it their favorite programming talk even for non-Clojure users.
HN repeatedly recommends it as the definitive explanation of why Java evolves cautiously and why compatibility matters in language design.
HN commenters recommend it for Thompson's funny, first-hand Unix history stories, some of which even Kernighan had not heard.
The go-to recommendation for learning DynamoDB data modeling, with many saying it made access-pattern-driven design click.
HN treats it as a favorite example of silly but educational computer science, recommended often when threads touch odd storage hacks.
HN strongly recommends it as the clearest, best-illustrated explanation of the solar gravitational lens idea, and links it whenever exoplanet imaging comes up.
HN treats it as the definitive, funny and educational answer to why X could not be fixed, and links it in almost every Wayland vs X argument.
HN points people to it as the best introduction to Acme and its very different take on editors, shells, and GUIs.
HN treats it as the definitive deep dive on Nanite, admired for the engineering ambition behind pixel-sized triangles and compute-driven rendering.
HN treats it as the classic demonstration of how analog mechanical computation works, especially the differential gear section.
It is a go-to recommendation whenever cans, good design or mass-produced objects come up, and many also recommend the whole channel.
It is one of the most frequently recommended videos on HN for old-school game development hacks under tight hardware constraints.
The go-to accessible introduction to neuroevolution and NEAT, praised for crediting prior research.
It is HN's favorite example of extreme code compression, a compelling song and visuals from a program smaller than a tweet.
Strongly recommended as the entry point to a channel on urban planning and car dependency in North America.
Recommended as the standard companion to any Adam Curtis film, since it lampoons the style and gives reasons to take his claims with skepticism.
HN points to it as the definitive, entertaining account of Sun's fate under Oracle, and quotes its Ellison lawnmower advice whenever Oracle behaves badly.
HN's most frequent recommendation for a clear, approachable foundation in how LLMs work without heavy math.
HN returns to it again and again as a demonstration of how programmable and composable 1970s systems were compared with today's.
HN commenters recommend it constantly in threads about advertising, propaganda and manipulation as the origin story of the consumer society.
HN recommends it as a talk whose advice on simplicity and avoiding unnecessary work applies well beyond games.
Frequently recommended as an entertaining account of a failed launch and recovery, especially in threads about Star Citizen and over-promising.
Commenters repeatedly cite it as the talk that reframed how they think about caching, derived data and event sourcing.
The canonical recommendation whenever percentiles, tail latency, load testing or averages come up, described by some as life changing.
Commenters offer it as a fascinating, accessible introduction to the world of fungi whenever mushrooms or mycelium come up.
Loved on HN as a hilarious, brilliant example of hacker-academic work and cited whenever game-playing AI or fuzzing comes up.
Repeatedly recommended as a revelatory talk on how little control the main OS has over modern SoCs and PCs.
HN treats it as the definitive explanation of Conway's Law and links it in almost any thread about org structure shaping software.
Recurs in threads about RSI, accessibility and voice coding as the go-to demo of a custom spoken command language.
It is one of HN's most frequently recommended programming talks, cited whenever people debate complexity, simplicity and abstraction, and valued well beyond Clojure.
A staple recommendation in new year and goal-setting threads, with many commenters adopting yearly themes.
HN programmers recommend it, and the Jai series that followed, for the game-industry view on replacing C++ and for watching a language being invented.
A staple recommendation for anyone learning math, praised for visual intuition that makes memorized formulas make sense.
HN treats it as the canonical talk for the case that vanilla Vim goes a long way and plugin dependencies are a burden.
Recommended again and again in traffic-safety threads as an eye-opener on road design versus posted limits and driver behavior.
HN repeatedly calls it a fantastic explanation that made FFT click, with some rewatching it periodically.
HN regulars send freelancers and consultants to it whenever clients don't pay or contracts come up.
HN cites it repeatedly as the root-cause argument that money in politics must be fixed before other issues, and as background for his Mayday PAC.
HN treats it as the definitive, engaging talk on hash table internals and Python dict ordering, and recommends it in tech-talk lists.
HN returns to it constantly in software performance debates as the primer on non-pessimization and why modern software is slow.
Recommended as the best account of Blender's history and its user-focused approach as a free software success story.
It is the go-to talk HN points to for data-oriented design and hardware-aware performance thinking, despite Acton's blunt style.
HN's go-to explainer for why FPTP leads to a two-party system, linked in countless voting-reform and US politics threads.
HN treats it as an essential piece of computing history that shows how many modern interface ideas were already solved in 1968.
HN recommends it as an accessible, widely shared critique of schooling, and cites it in threads on ADHD, creativity and education reform.
Frequently recommended as an excellent, clear introductory RL course from the lead of AlphaGo, pairing well with Sutton and Barto.
HN commenters link it whenever a shaky study or the p<0.05 threshold comes up, as a short primer on false positives in science.
HN recommends it as the one long programming video worth watching, a provocative and influential take on C.
Commenters repeatedly point to it whenever EUV, ASML or chip manufacturing comes up, as a clear and astonishing explanation of one of the hardest engineering problems in chipmaking.
HN cites it constantly in threads on noise, EVs and car-free cities as the source that cars, not cities, are loud.
HN readers recommend it as a detailed, intelligent documentary about wartime technology that assumes viewers aren't stupid.
HN commenters repeatedly name it as the friendliest entry point to category theory for working programmers.
HN regards it as an entertaining and eye-opening introduction to why logic and functional programming are connected, and it is a frequent pick in favorite-tech-talk threads.
HN returns to it as the go-to critique of OOP, recommended for explaining the costs of abstraction better than most written arguments.
HN recommends it as a key Hickey talk on system design that changes how people think about distributed state and interfaces.
HN links it whenever someone claims cold or snow rules out cycling, as the concise rebuttal that infrastructure and maintenance decide it.
The standard link when VPN marketing comes up, as a clear debunking of the scare tactics behind VPN ads.
HN people with ADHD or ADHD-affected relatives share it as an authoritative, practical talk that helped some seek diagnosis.
Offered in nearly every Agile or Scrum complaint thread as the authoritative take on what agile was meant to be versus what it became.
Recommended as the most entertaining serious critique of a software interface, and a crash course in UX mistakes.
The canonical recommendation for learning Go concurrency, praised as entertaining and clarifying when to use channels versus mutexes.
HN commenters repeatedly recommend it as a half-hour mini-documentary on how precision is bootstrapped from scratch, relevant to machining and chip manufacturing threads.
It is the go-to recommendation for learning how transformers and LLMs actually work, praised for its clarity and Karpathy's teaching.
HN returns to it repeatedly as the canonical argument for simplicity and against premature abstraction, and several commenters say it changed how they write code.
HN calls it the famous talk for understanding why React rejected separation of concerns by technology and for newcomers puzzled by JSX.
HN considers it the best experimental rebuttal and clarification of the Veritasium wire debate, with real measurements.
Whenever HN discusses seasonal affective disorder, myopia, or bright home lighting, people point to this as the most convincing buildable example of sunlight-like illumination.
HN commenters call it an absorbing, entertaining deep dive on elevator security and the go-to link whenever elevators come up.
HN links it whenever threads cover book spam, AI-written ebooks or passive-income hustle culture.
HN people point to it as the best demonstration of literate devops, showing documentation and execution woven together in Emacs.
HN commenters hold it up as a model of persuasive public speaking and as the go-to reminder of why public broadcasting deserves funding.
Constantly cited as the canonical example of arbitrary code execution through gameplay and of deep system knowledge among speedrunners.
HN regulars treat it as an essential, fun Hofstadter talk for any discussion of concepts, analogy and metaphor.
HN keeps recommending it as an inspirational, funny talk on running a long-lived indie studio and what Steam provides for its 30% cut.
HN points people to it as the clearest primary-source explanation of Unix pipes and the small-tools philosophy, straight from the creators.
Repeatedly called the best and most comprehensive AGC talk, with commenters rewatching it and treating it as foundational computer architecture learning.
Cited in climate threads to argue that individual action is not enough and that political pressure is needed.
HN commenters recommend it as the classic visualization for building intuition about scale, and it comes up whenever a thread concerns scale or size comparisons.
HN recommends it as a quick, compelling look at what Smalltalk tooling feels like, especially for Ruby programmers.
HN regards the dishwasher videos as must-watch practical explainers, linked whenever dishwashers, detergents or pods come up.
HN fans list it among their favorite 3Blue1Brown videos for showing how mathematical problem solving actually unfolds.
HN calls it a legendary, clearly explained hacker talk whenever mov-only computing or anti-decompilation comes up.
HN commenters rate the series as some of the best visual teaching on complex numbers and recommend it for building intuition.
Recommended repeatedly as a funny, informative talk on the economics behind programming languages and open source.
HN returns to it constantly as a witty, still-accurate diagnosis of why software is bloated and messy, and as a go-to recommendation in any thread on modules, package managers or software quality.
HN commenters reach for it constantly as an approachable explanation of why cooperation and reciprocity are rational strategies.
The go-to citation in Moore's Law threads, a convincing counterargument from a top CPU designer.
It is the go-to chronological, in-depth overview of tracker music, recommended whenever trackers, the Amiga or the demoscene come up.
HN commenters recommend it as a counterpoint to claims about beef's environmental cost, though some critique its methane argument.
HN commenters recommend it as the go-to explanation of Japanese zoning in housing and urbanism debates.
HN repeatedly recommends it as a surprisingly magical explainer on color perception, often cited in color-space discussions.
HN fans hold it up as a favorite among his videos and an example of gloriously bonkers technical art, and cite it in floating-point discussions.
Recommended as a thorough, sober critique of meme-stock culture and a good starting point whenever GameStop news appears.
Recommended whenever people want to see the mechanical, jostling reality of molecular biology, which many find awe-inspiring.
HN returns to it constantly as the talk on live programming and what modern tooling is missing, though a few found it too much.
HN treats it as a classic, must-watch talk for any discussion of company values, and especially for its takedown of Amazon's leadership principles.
HN repeatedly points to it as the eye-opening explanation of media consolidation and scripted local news.
HN recommends it widely in advice threads on depression, habits, and goal setting as a funny, memorable way to see what to do by seeing what not to do.
Commenters point to it whenever Artemis, SLS or Starship refueling comes up, as a candid and critical engineering assessment delivered directly to NASA.
HN commenters drop it whenever wealth inequality comes up, as a quick visual of the gap between perceived and actual distribution.
HN people cite it constantly in C versus C++ debates as the case for teaching modern C++ idioms rather than C first.
Adams fans repeatedly call it one of his best talks, a funny and moving look at extinction and the environment.
HN invokes it constantly in debates over originality, copyright and AI training, and calls it the best explanation of creativity as remixing.
It is the go-to talk for anyone building falling-sand or pixel-physics simulations, and several commenters say they modeled their own engines on it.
Regarded as a brilliant live-coding talk that teaches WASM and interpreter writing, with several calling it among the best conference talks they have seen.
Cited heavily in Roblox threads as a damning investigation into child labor, exploitation, and weak moderation, and suggested viewing for parents.
Repeatedly called the best video introduction to Vim's underlying model.
HN commenters recommend it for its source-based history of OOP, though some dispute its account of Alan Kay.
Whenever Texas grid failures come up, HN people link it as the calm, technically informed account that cuts through political blame.
HN commenters call it better than the Clean Code book, a must-watch for engineers that changes how they read and write code.
HN recommends it as a gripping story of single-minded persistence against the herd, and as the back story behind modern LED lighting.
Frequently recommended as the clearest plain-language explanation of what a computer fundamentally is, with at least one commenter saying it changed how they think about programming.
HN keeps citing it as the standard example of accessible DIY gene engineering and self-experimentation, in threads on gene therapy, CRISPR and biohacking.
HN repeatedly cites it as a thought-provoking talk on reducing software complexity and on the state of computing research.
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