THE ARCHIVE · EVERY DISCOVERY
3,553 videos with summaries and linked Hacker News recommendations, arranged by title.
hotchipsvideos · 2 HN recommenders
Bill Dally of NVIDIA gives a Hot Chips 2023 keynote on the challenges of building hardware for deep learning. He traces how GPUs have been adapted for machine learning, especially training.
Christopher Sykes · 4 HN recommenders
A restored HD upload of the 1983 BBC series Fun to Imagine, in which Richard Feynman talks informally about everyday science. Topics include jiggling atoms, fire, rubber bands, magnets, electricity, mirrors, seeing, big numbers and ways of thinking.
Jeff Geerling · 2 HN recommenders
Jeff Geerling interviews Raspberry Pi co-founder Eben Upton about the Pi shortage, the RP2040, RISC-V, the Sony investment and the origin of the name.
Johnny Lee · 3 HN recommenders
Johnny Lee demonstrates head tracking with a Wii remote and a head-mounted pair of IR LEDs, so a screen acts like a window into a 3D scene as your head moves.
Technology Connections · 5 HN recommenders
Technology Connections' long closing video in his heat pump series, arguing that adopting heat pumps is well within reach. It explains how they work and what it takes to start using them.
Technology Connections · 17 HN recommenders
Technology Connections explains how heat pumps work as reversed air conditioners and why they can deliver several times the heat of resistive heating per unit of energy. It also tackles common myths such as poor cold-weather performance.
Google for Developers · 6 HN recommenders
The first episode of Google's Machine Learning Recipes series. It introduces machine learning and builds a first supervised-learning classifier in about six lines of Python using scikit-learn.
Roguelike Celebration · 4 HN recommenders
Herbert Wolverson's Roguelike Celebration 2020 talk surveying procedural map generation techniques, including integration of hand-crafted prefabs and vaults.
TheRichterScales · 3 HN recommenders
A cappella parody song by The Richter Scales, set to Billy Joel's 'We Didn't Start the Fire', lampooning the Web 2.0 startup bubble. It won a Webby for viral video in 2007.
TheTedNelson · 2 HN recommenders
Ted Nelson, the originator of hypertext and Project Xanadu, gives a personal account at age 80 of his ideals, his career, and how a poor career plan led to discoveries and adventures. It works as an alternative history of personal computing and hypertext.
SHARE Association · 2 HN recommenders
Connor Krukosky, an 18-year-old college student and vintage computer collector, tells how he bought an IBM z890 mainframe and got it running at home. The talk was given at SHARE in San Antonio in March 2016.
Zack Freedman · 3 HN recommenders
Zack Freedman gives advice on why makers fail to finish projects, including scrapping bad ideas, showing work publicly and writing a plan that keeps projects fun. It is aimed at hardware DIY but generalizes.
Troy Hunt · 2 HN recommenders
Troy Hunt argues that even static, non-secret websites need HTTPS, demonstrating attacks such as injected content and China's Great Cannon. It accompanies his blog post of the same name.
Blender · 2 HN recommenders
HERO is a short animated film made entirely in Blender to showcase the Grease Pencil 2D animation tools in Blender 2.8. It mixes hand-drawn 2D with a full 3D pipeline.
jasonofthel33t · 5 HN recommenders
A standing whiteboard conversation at Lang.NEXT 2012 among Carl Hewitt, Erik Meijer and Clemens Szyperski about the actor model. Hewitt, who originated the model, explains its foundations.
InfoQ · 9 HN recommenders
Brian Lonsdorf explains why Underscore.js falls short as a functional programming library, then introduces currying, composition and point-free style in JavaScript. He argues for data-last argument ordering.
Talks at Google · 3 HN recommenders
Climber Chris Warner talks at Google about his book on high altitude leadership and the 2007 K2 expedition, where eighteen climbers summited and two died.
Google TechTalks · 2 HN recommenders
A Google Tech Talk on Yahoo's 14 rules for faster web pages and the YSlow tool. It covers front-end practices like avoiding @import and fixing ETags, with live analysis of popular sites.
Dan Gelbart · 2 HN recommenders
Dan Gelbart shows his home-built air bearing CNC lathe and grinder, which reaches about 1 micron accuracy. He demonstrates the machine and its parts.
Thunderf00t · 2 HN recommenders
Thunderf00t presents high-speed camera footage of alkali metals such as sodium and NaK reacting with water. The footage shows that the explosion is not caused by hydrogen ignition, as the usual explanation says. It is a Coulomb explosion driven by electrons leaving the metal.
PDX Node · 3 HN recommenders
Kyle Drake of Neocities explains the bandwidth pricing pitfalls of the big cloud providers. He describes how to run high-volume, bandwidth-heavy infrastructure far more cheaply, including through co-location.
Dyalog User Meetings · 3 HN recommenders
Aaron Hsu shows how to manipulate and transform tree data in APL using arrays and inverted tables instead of pointers. He claims much smaller code, better performance and easier parallelisation.
3Blue1Brown · 4 HN recommenders
3Blue1Brown explains space-filling curves and the Hilbert curve, and how infinite mathematical constructions connect to finite, practical approximations. It touches on mapping between dimensions and sensory ideas.
PyCon 2018 · 3 HN recommenders
Hillel Wayne's PyCon 2018 talk on testing beyond pytest and mypy. It introduces property-based testing with the Hypothesis library and design-by-contract with dpcontracts, and shows how to combine them with an existing test suite.
bill wurtz · 3 HN recommenders
A fast, absurdist 19-minute animated run through the history of the whole world, narrated and scored by Bill Wurtz in his distinctive style. It compresses millennia of events into jokes, songs and quick visuals.
The Bookman · 3 HN recommenders
First episode of the Norwegian documentary series Hjernevask, in which Harald Eia interviews researchers on the nature versus nurture debate. It focuses on the gender equality paradox and gender differences in career choice.
Tom Scott · 2 HN recommenders
Tom Scott explains why hold music sounds worse than it used to, tracing it to old telephone exchanges and the audio compression applied by modern switches. It is a short visit to the Milton Keynes Museum.
Holy Post Media · 2 HN recommenders
Phil Vischer of VeggieTales and Holy Post gives an 18-minute history of racial injustice in America, covering why anger persists despite civil rights laws. It is told from an evangelical Christian perspective and adapted from a class he co-taught.
Jeri Ellsworth · 3 HN recommenders
Jeri Ellsworth shows step by step how to make an NMOS transistor at home using a kiln, rust remover, spin-on dopant, eBay wafers and vinyl stickers.
Invisible People · 3 HN recommenders
A short street interview from Invisible People with Keith, a homeless man in Los Angeles who lost his housing-industry job in the crash and moved from painkillers to heroin because it was cheaper. He talks candidly about the grip of addiction.
Jeri Ellsworth · 2 HN recommenders
Jeri Ellsworth demonstrates a PMOS transistor she fabricated herself in a home chip lab. She shows some of its electrical characteristics.
LastWeekTonight · 3 HN recommenders
John Oliver's Last Week Tonight segment on homeschooling, focusing on how little regulation exists in many US states. It covers states where a one-time declaration removes children from any oversight.
Steve Mould · 3 HN recommenders
Steve Mould explains homochirality: why biological molecules like sugars and amino acids come in only one handedness. He covers ideas about how this asymmetry might have arisen, touching on meteorite samples and RNA.
Everything Electric CARS · 2 HN recommenders
Robert Llewellyn of Fully Charged takes an early, 19-minute test drive of the Honda e electric car in Frankfurt. He looks at its acceleration, camera wing mirrors and tight turning circle.
thejuicemedia · 3 HN recommenders
A satirical 'honest' government ad from The Juice Media about Australia's 2018 Assistance and Access anti-encryption bill. It lays out in blunt terms what the law would let authorities do.
thejuicemedia · 2 HN recommenders
A satirical 'Honest Government Ad' from The Juice Media that mocks Australian carbon capture and storage policy. It lays out the fossil fuel industry's influence and the weak results of the technology in a comedic format.
bigclivedotcom · 2 HN recommenders
Electronics hobbyist bigclivedotcom tears down a cheap USB power supply with a manufacturing fault that carries full mains voltage to the USB ports, showing the risk of electric shock.
Hound by SoundHound Inc. · 2 HN recommenders
SoundHound's CEO demos Hound, a voice assistant, handling fast compound natural language queries with context and detailed criteria. The video leaked before the product's official launch.
SmarterEveryDay · 2 HN recommenders
Smarter Every Day host Destin Sandlin tries to hover a helicopter and finds it very hard. The video shows how the constant coordinated corrections across several control axes feel at first and how learning makes them automatic.
The 8-Bit Guy · 4 HN recommenders
The 8-Bit Guy explains the color limitations of 1980s computers and consoles such as the NES and Commodore 64. It shows how sprites, attributes and palettes shaped the look of old games.
Coding Tech · 4 HN recommenders
Saqib Shaikh, a blind developer, shows how he writes and debugs code in Visual Studio 2017 using a screen reader. The short demo shows an expert doing ordinary developer tasks.
GameHut · 2 HN recommenders
An episode of Coding Secrets by Jon Burton on retro copy protection, in particular physically damaging a disk with a laser so copies fail. It explains how this defeated hackers and pirates.
Ben Eater · 4 HN recommenders
Ben Eater gives a detailed look at how an NPN bipolar junction transistor works and what it does. It is an eleven-minute explanation aimed at building real understanding of the device.
The Slow Mo Guys · 2 HN recommenders
The Slow Mo Guys film a TV and screens with a high-speed camera to show how displays build an image. The footage includes CRT-style scanning and how pixels light up over time.
TED · 2 HN recommenders
Sal Khan of Khan Academy gives a TED talk on how AI could transform education, with a personal tutor for every student and a teaching assistant for every teacher. He demos Khanmigo, including features where the AI reasons before responding.
Wendover Productions · 5 HN recommenders
A Wendover Productions explainer arguing that major airlines make much of their profit from loyalty programs and co-branded credit cards rather than flying. It frames airlines as quasi-banks that sell points in bulk, using United's pandemic-era loan as a hook.
Not Just Bikes · 3 HN recommenders
Not Just Bikes argues that oversized American fire trucks and fire department requirements push cities toward wide roads and dangerous street design. He compares this with the Dutch approach to emergency response.
CuriousMarc · 4 HN recommenders
CuriousMarc powers up a vintage HP 5061A cesium beam clock and explains both the quantum principle and the HP implementation in detail. It is part of a longer atomic clock series.
Life Where I'm From · 3 HN recommenders
A mini-documentary by a Canadian living in Japan explaining how an average family can afford a new detached house in Tokyo. It covers how houses are treated as depreciating assets and how Japanese zoning and building practices keep prices low.
Technology Connections · 2 HN recommenders
Technology Connections explains the early history of analog color television, from the 1954 start of modern color broadcasting, and how shadow masks work in CRTs. It is the first in a series on how analog color TV works.
3Blue1Brown · 3 HN recommenders
3Blue1Brown explains how holograms record a 3D scene on 2D film, using wave diffraction and phase. The video includes demonstrations of several real holograms.
Branch Education · 2 HN recommenders
Branch Education walks through a semiconductor fab and the dozens of steps used to turn silicon wafers into microchips, with 3D animation. It covers lithography, deposition and etching at a high level.
Not Just Bikes · 7 HN recommenders
Not Just Bikes explains how many American suburbs, built all at once rather than incrementally, cannot cover their infrastructure costs and survive on growing debt. It draws on Strong Towns' work on the growth Ponzi scheme.
Huygens Optics · 3 HN recommenders
Huygens Optics shows through a laser interference experiment that the question of a photon's size is really about coherence length. It argues that photons exist as energy exchanges between radiation and matter, not as little particles in free space.
Numberphile · 4 HN recommenders
Numberphile talks with mathematician Ron Graham about the magnitude of Graham's number, building up from arrow notation to show how impossibly large it is. It is part of a series of videos on this number.
Wendover Productions · 2 HN recommenders
A Wendover Productions explainer on how budget airlines can sell tickets for under 10 euros. It covers the costs airlines face and how low-cost carriers structure their business.
Rick Beato · 2 HN recommenders
Rick Beato discusses a theory of why some children develop perfect pitch, based on early exposure to music. He draws on his experience with his own children.
Sabine Hossenfelder · 15 HN recommenders
Sabine Hossenfelder explains how close nuclear fusion really is to break-even, and why headlines about ITER and lab milestones are misleading. She distinguishes plasma gain (Q plasma) from whole-system gain (Q total) and shows the latter is still far below one.
Ars Technica · 2 HN recommenders
Westwood Studios co-founder Louis Castle talks about how pathfinding was solved in Command & Conquer: Tiberian Sun, in an Ars Technica War Stories episode. It also touches on other challenges in Westwood's RTS games.
MedCram - Medical Lectures Explained CLEARLY · 3 HN recommenders
A pulmonologist and critical care physician explains how COVID-19 can lead to pneumonia and acute respiratory distress syndrome. He covers evidence-based ARDS treatments such as low tidal volume ventilation.