Explainers Hacker News recommends
Every explainer in the HackerTube list, best-scored first. The score counts the number of different months in which someone on HN recommended it, so a explainer people kept coming back to for years outranks one viral thread.
- 18 HN recommenders 17 months 2014–2026P Principles by Ray Dalio · explainerHN repeatedly recommends it as the best layperson overview of debt, credit and economic cycles.
- 16 HN recommenders 15 months 2018–2025HN's default recommendation for understanding the Fourier transform intuitively; many say it was the explanation that made it click.
- 17 HN recommenders 15 months 2013–2024Held up as a marvel of pedagogy and the best explanation of differentials, recommended again and again.
- 15 HN recommenders 15 months 2016–2025HN treats it as the standard short summary of how power and political incentives work, applied to governments, companies and workplaces.
- 16 HN recommenders 14 months 2017–2025HN treats it as the standard first stop for learning neural networks, praised for making the math intuitive.
- 17 HN recommenders 15 months 2021–2026HN's default recommendation for a friendly, thorough introduction to heat pumps and why they are so efficient.
- 16 HN recommenders 13 months 2021–2026HN repeatedly calls it one of the best math and graphics explainers on YouTube, praised for bridging game dev and math.
- 15 HN recommenders 13 months 2017–2026F FL Studio · explainerHN calls it the gold-standard debunking of audiophile myths and the stair-step misconception, and recommends it as a primer on digital audio.
- 13 HN recommenders 12 months 2016–2024P pannenkoek2012 · explainerHeld up as a legendary deep dive into game internals, explained lucidly and with humor, and a gateway to the channel.
- 10 HN recommenders 11 months 2022–2026It 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.
- 15 HN recommenders 12 months 2021–2025HN repeatedly recommends it as the definitive, mind-changing explanation of dishwasher use, even though it runs over 30 minutes.
- 11 HN recommenders 11 months 2014–2026HN 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.
- 10 HN recommenders 12 months 2010–2023HN commenters send it as a short antidote to cynicism, showing long-term global progress and the shrinking gap between rich and poor countries.
- 12 HN recommenders 12 months 2014–2026It is the go-to funny, accessible explanation of why you should never implement datetime handling yourself, linked in nearly every timezone thread.
- 11 HN recommenders 11 months 2020–2026HN treats it as the go-to layperson-friendly argument against e-voting and links it in nearly every voting-technology thread.
- 15 HN recommenders 11 months 2017–2024The go-to recommended video for newcomers wanting a clear, visual explanation of how Bitcoin and blockchains work.
- 12 HN recommenders 11 months 2018–2025HN commenters repeatedly recommend it in longevity and aging threads as a concise, fun case for fighting aging.
- 13 HN recommenders 10 months 2024–2026HN treats it as the go-to visual introduction to transformers, and many say it finally made attention and embeddings click.
- 10 HN recommenders 11 months 2022–2025P Principles by Ray Dalio · explainerHN commenters recommend it as a clear framework for placing the current US and world situation within historical debt and empire cycles.
- 13 HN recommenders 10 months 2020–2024The default link in copyright and takedown threads, recommended as an excellent, comprehensive explanation of why automated enforcement and the law work as they do.
- 12 HN recommenders 11 months 2012–2024HN's go-to short explainer for the City of London versus London, cited in many finance and UK threads.
- 12 HN recommenders 11 months 2019–2025HN returns to it again and again as a favorite example of elegant, chip-free mechanical engineering that beats modern toasters.
- 12 HN recommenders 11 months 2021–2025HN links it constantly as the standard introduction to stroads and Strong Towns-style arguments about car-centric design.
- 11 HN recommenders 11 months 2010–2022S seandulac · explainerHN commenters post it in threads about purpose, ambition, burnout and career anxiety as a reframing that life is a dance, not a march toward eventual happiness.
- 10 HN recommenders 9 months 2020–2025L Launch Pad Astronomy · explainerHN strongly recommends it as the clearest, best-illustrated explanation of the solar gravitational lens idea, and links it whenever exoplanet imaging comes up.
- 10 HN recommenders 10 months 2010–2024R Radical Discourse · explainerHN recommends it as a funny, accurate and easy primer on Keynesian versus Austrian views of the business cycle.
- 9 HN recommenders 9 months 2016–2026It is a go-to recommendation whenever cans, good design or mass-produced objects come up, and many also recommend the whole channel.
- 14 HN recommenders 10 months 2021–2024HN keeps pointing to it as the clearest explanation of how low-density infrastructure is financed and why it is unsustainable.
- 3 HN recommenders 9 months 2014–20182 2veritasium · explainerHN commenters recommend it, with its follow-up, as an exposé of fake likes and bot activity, and as a warning before spending on Facebook ads.
- 11 HN recommenders 10 months 2010–2022HN uses it in discussions of pay, management, and motivation as the standard short explanation of autonomy, mastery and purpose.
- 9 HN recommenders 9 months 2020–2024Linked in threads about meritocracy, careers and startups as a reminder that luck shapes who ends up on top.
- 10 HN recommenders 8 months 2020–2025A staple recommendation in new year and goal-setting threads, with many commenters adopting yearly themes.
- 9 HN recommenders 9 months 2021–2025Recommended again and again in traffic-safety threads as an eye-opener on road design versus posted limits and driver behavior.
- 7 HN recommenders 8 months 2021–2026R Reducible · explainerHN repeatedly calls it a fantastic explanation that made FFT click, with some rewatching it periodically.
- 10 HN recommenders 10 months 2015–2025HN's go-to explainer for why FPTP leads to a two-party system, linked in countless voting-reform and US politics threads.
- 8 HN recommenders 8 months 2017–2025HN commenters link it whenever a shaky study or the p<0.05 threshold comes up, as a short primer on false positives in science.
- 11 HN recommenders 8 months 2022–2025Commenters 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.
- 10 HN recommenders 9 months 2021–2025HN cites it constantly in threads on noise, EVs and car-free cities as the source that cars, not cities, are loud.
- 11 HN recommenders 9 months 2015–2024HN commenters point to it as a clear, short explanation of one-directional disease spread and the core argument of Guns, Germs, and Steel.
- 10 HN recommenders 10 months 2021–2026HN links it whenever someone claims cold or snow rules out cycling, as the concise rebuttal that infrastructure and maintenance decide it.
- 9 HN recommenders 9 months 2013–2022HN uses it as the standard short answer to whether car-dominated cities can become bike-friendly, since the Dutch had to fight for it.
- 9 HN recommenders 9 months 2015–2022HN recommends it as one of the clearest layman explanations of Bell's theorem.
- 6 HN recommenders 8 months 2015–2023HN recommends it as the standard short answer whenever someone confuses Britain, the UK and England.
- 17 HN recommenders 8 months 2020–2022HN recommends it constantly in work-from-home, burnout and procrastination threads as practical advice for separating work from life at home.
- 14 HN recommenders 9 months 2017–2024HN reaches for it in every identity theft and data breach thread as the clearest, most enjoyable short explainer of why SSNs make bad identifiers.
- 9 HN recommenders 8 months 2022–2023HN's default link for anyone asking whether heat pumps work and why they're efficient, thanks to the presenter's clear and enthusiastic delivery.
- 9 HN recommenders 8 months 2016–2024A Art of the Problem · explainerIt is the go-to beginner explanation of Diffie-Hellman, recommended because the paint analogy makes the idea click without prior cryptography knowledge.
- 9 HN recommenders 8 months 2015–2022HN repeatedly recommends it as the clearest explanation of why Chan's fight scenes beat fast-cut Hollywood action.
- 10 HN recommenders 8 months 2021–2026Cited in climate threads to argue that individual action is not enough and that political pressure is needed.
- 7 HN recommenders 7 months 2020–2024S sudgylacmoe · explainerHN calls it the best video on geometric algebra, one that makes the subject click in about 40 minutes.
- 15 HN recommenders 7 months 2021–2022HN commenters post it under nearly every fusion breakthrough story as the standard reality check on Q-factor hype.
- 10 HN recommenders 8 months 2021–2025HN regards the dishwasher videos as must-watch practical explainers, linked whenever dishwashers, detergents or pods come up.
- 8 HN recommenders 7 months 2017–2025HN fans list it among their favorite 3Blue1Brown videos for showing how mathematical problem solving actually unfolds.
- 10 HN recommenders 8 months 2023–2026HN commenters reach for it constantly as an approachable explanation of why cooperation and reciprocity are rational strategies.
- 8 HN recommenders 8 months 2017–2023HN commenters send people to it whenever a thread confuses the speed of light with a light-specific limit, and several say it deepened their understanding of relativity.
- 10 HN recommenders 8 months 2021–2026HN commenters recommend it as a counterpoint to claims about beef's environmental cost, though some critique its methane argument.
- 8 HN recommenders 9 months 2021–2026L Life Where I'm From · explainerHN commenters recommend it as the go-to explanation of Japanese zoning in housing and urbanism debates.
- 8 HN recommenders 8 months 2020–2026HN repeatedly recommends it as a surprisingly magical explainer on color perception, often cited in color-space discussions.
- 11 HN recommenders 8 months 2017–2026HN 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.
- 8 HN recommenders 8 months 2013–2025P politizane · explainerHN commenters drop it whenever wealth inequality comes up, as a quick visual of the gap between perceived and actual distribution.
- 6 HN recommenders 7 months 2020–2024Used as the standard reference in threads about light speed, clock synchronization and untestable assumptions in physics.
- 6 HN recommenders 7 months 2021–2026Whenever Texas grid failures come up, HN people link it as the calm, technically informed account that cuts through political blame.
- 7 HN recommenders 7 months 2012–2021HN's go-to link whenever ranked-choice voting or voting reform comes up, because it explains the mechanics quickly and entertainingly.
- 6 HN recommenders 6 months 2019–2024HN repeatedly points people to it as the clearest visual intuition for determinants, often saying it finally made the concept click.
- 4 HN recommenders 7 months 2014–2025D DNA Learning Center · explainerFrequently linked as a mind-blowing visualization of how RNA is translated into protein, especially in threads on mRNA vaccines and cell biology.
- 7 HN recommenders 8 months 2019–2023HN recommends it as the quickest clear overview of the Brexit options, though later commenters note it predates the final outcome.
- 9 HN recommenders 8 months 2021–2026Recommended as the argument that better alternatives to driving also improve things for drivers, and as an introduction to Dutch urban planning.
- 4 HN recommenders 7 months 2012–2020B bitbutter · explainerHN commenters use it as a short introduction to anarcho-capitalist ideas about private law and how disputes could be resolved without a state.
- 7 HN recommenders 7 months 2020–2025Linked in urbanism and car-dependence threads as a concise case for walkable fresh-food shopping.
- 7 HN recommenders 7 months 2022–2025K Kaze Emanuar · explainerHN loves the deep, hands-on look at N64 hardware quirks such as bus contention and the surprisingly large wins from low-hanging optimizations.
- 7 HN recommenders 7 months 2021–2026HN people recommend it as the best introduction to why sprawl and car dependence are fiscally unsustainable, often pointing to the whole series.
- 6 HN recommenders 7 months 2015–2023A favorite entry point to the weird history and privileges of the City of London.
- 9 HN recommenders 7 months 2021–2026HN recommends it as a well-told chase of a weird fact that lands a rare interview with Lovelock at age 101.
- 4 HN recommenders 7 months 2016–2023F FOAM · explainerCited constantly in threads on microservices, composability and the Unix philosophy as a compact explanation of why small interoperable pieces win.
- 6 HN recommenders 6 months 2024–2026T The Movie Rabbit Hole · explainerStrongly recommended whenever HN discusses CGI, practical effects, or trusting behind-the-scenes footage.
- 6 HN recommenders 6 months 2017–2025HN commenters recommend it as an in-depth, accessible look at airline class economics and revisit it in many discussions about airlines.
- 7 HN recommenders 6 months 2019–2024Cited constantly as the name and example of the 'but sometimes' argument, where edge cases are used to resist better technology such as EVs and solar.
- 7 HN recommenders 7 months 2021–2024HN commenters recommend it as a clear, accessible introduction to incompleteness and the self-referential proof idea.
- 7 HN recommenders 7 months 2013–2024N NumbersUSA · explainerHN commenters recommend it as a quick visualization of the scale of global poverty versus immigration capacity, though it is advocacy with a specific viewpoint.
- 6 HN recommenders 6 months 2019–2023HN commenters repeatedly recommend it as the clearest introduction to why smart AI might behave badly by default.
- 7 HN recommenders 7 months 2017–2024It is the standard pointer for a clear, visual explanation of what fractals are, and for correcting the idea that fractal means self-similar.
- 7 HN recommenders 7 months 2015–2021HN's default link for explaining STV in any thread on voting reform, ranked choice or gerrymandering.
- 6 HN recommenders 7 months 2015–2024Recommended as an accurate, entertaining on-ramp to set theory and infinity, worth pausing and rewatching.
- 7 HN recommenders 6 months 2015–2025It is the go-to short explainer HN commenters link whenever e-voting, voting machines or online voting come up.
- 7 HN recommenders 7 months 2016–2025HN returns to it constantly in consciousness and decision-making threads as a clear, entertaining explanation of split-brain.
- 8 HN recommenders 6 months 2020–2026Called the best visualization of general relativity by many commenters, who say it cleared up long-held misunderstandings of gravity.
- 9 HN recommenders 7 months 2023–2026HN's go-to link for correcting the lightbulb conspiracy myth, giving an engineer's view of the lifespan versus efficiency tradeoff.
- 6 HN recommenders 6 months 2017–2025HN recommends it as the go-to intuitive visualization of high-dimensional geometry, relevant to machine learning, optimization and sphere packing.
- 7 HN recommenders 7 months 2014–2024HN commenters recommend it as a short, clear explanation of why moving charges create magnetic fields.
- 6 HN recommenders 6 months 2021–2026Recommended as part of an excellent, approachable series explaining residential heat pumps.
- 4 HN recommenders 7 months 2022–2024HN users repeatedly post it to rebut the idea that urban living means Manhattan or Hong Kong apartment blocks.
- 5 HN recommenders 6 months 2018–2022HN users recommend it as a comforting, clear introduction to nihilism for anxiety, mid-life doubts and feeling behind in life.
- 6 HN recommenders 6 months 2015–2023Commenters recommend the series whenever Fourier analysis or analog computing comes up, praising Hammack's clear explanations and the short episodes.
- 6 HN recommenders 5 months 2016–2025HN repeatedly names it the best, most intuitive explanation of eigenvalues, and a gateway to the whole linear algebra series.
- 6 HN recommenders 6 months 2020–2022H How to ADHD · explainerHN commenters use it as the go-to name and explanation for task paralysis and procrastination, and say it helped them see why they avoid tasks.
- 7 HN recommenders 6 months 2021–2026Often recommended as an eye-opening field-based explanation of electricity, though it was also controversial and criticized as pedantic.
- 6 HN recommenders 6 months 2022–2026HN people use it as the standard short explanation for why AI can understand human ethics without sharing them, and often recommend the whole channel.
- 9 HN recommenders 6 months 2020–2023It is the default link in any thread about boarding or deplaning order, praised as an excellent, clear treatment.
- 7 HN recommenders 7 months 2022–2026The standard link in threads about child autonomy, helicopter parenting and car-centric planning.
- 7 HN recommenders 7 months 2020–2026Pointed to in threads about cancer screening, PSA tests, full-body MRIs and consumer diagnostics as an explanation of why more testing can hurt.
Showing the 100 best-scored of 1069. Use search to find the rest.
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.