THE ARCHIVE · EVERY DISCOVERY
3,553 videos with summaries and linked Hacker News recommendations, arranged by title.
O'Reilly · 3 HN recommenders
John Rauser's Strata 2014 keynote argues that programmers can learn statistics quickly by simulating random processes and shuffling data. He explains p-values through resampling rather than formulas.
UC Berkeley EECS · 2 HN recommenders
UC Berkeley EECS colloquium by OpenAI's John Schulman on reinforcement learning from human feedback. He covers why RL helps with truthfulness, hallucination, and the limits of behavior cloning.
VP attnm · 2 HN recommenders
A John Stossel special arguing that Americans can be criminalized for almost anything, with examples of overzealous prosecutors and regulators such as the EPA. It is a documentary on overcriminalization.
Bay Area Haskell · 4 HN recommenders
John Wiegley's BayHac 2017 talk walks through Haskell lenses by example, showing many practical uses beyond simple record access. It is aimed at people who want to become productive with the lens library.
JohnnyCashVEVO · 2 HN recommenders
The official music video for Johnny Cash's cover of Nine Inch Nails' Hurt, from his American Recordings era, filmed late in his life. It is a stark, emotional performance of the song.
Tom Berry · 2 HN recommenders
Dolly Parton's song Jolene, slowed down to 33 rpm so that it sounds deeper and more drawn out. The short clip is a well-known example of how pitch-shifting changes a song's mood.
Alex Felker · 5 HN recommenders
Jon Stewart appears as a guest on CNN's Crossfire in 2004 and criticizes hosts Tucker Carlson and Paul Begala for turning political debate into partisan theater that hurts America.
The Late Show with Stephen Colbert · 2 HN recommenders
Jon Stewart appears on The Late Show with Stephen Colbert and discusses the pandemic, vaccine science and the Wuhan lab origin theory. He jokes that the disease shares its name with the lab.
Alexandre Franco · 9 HN recommenders
Jonathan Blow speaks at UC Berkeley's CSUA about how to program independent games. He argues for keeping code simple, avoiding unnecessary work, and shipping.
LambdaConf · 2 HN recommenders
Jonathan Blow's LambdaConf 2025 keynote demonstrates the Jai programming language and explains its design. It includes demos of metaprogramming and tools that visualize programs.
bus · 11 HN recommenders
Jonathan Blow's DevGAMM 2019 talk argues that software knowledge is being lost between generations and that growing layers of abstraction could lead to a decline in technological civilization.
CreativeMornings HQ · 7 HN recommenders
Jonathan Blow's CreativeMornings talk arguing that business models shape game design, drawing an analogy between 1970s TV and HBO and between free-to-play and premium games. He calls for games that inspire awe rather than chase constraints.
rubbermuck · 6 HN recommenders
Jonathan Blow's 2010 Rice University talk argues that game designers refine their techniques in ways that can manipulate players, as with A/B-tested social games. He discusses the ethical responsibility of designers and what games can offer beyond addiction.
The Julia Programming Language · 2 HN recommenders
A JuliaCon talk by a NASA Launch Services Program engineer on modeling spacecraft separation dynamics in Julia. He describes replacing a Simulink-based workflow for checking launch vehicle separation requirements with Julia and ModelingToolkit, with large speedups and much shorter code.
TED · 3 HN recommenders
Psychologist Jonathan Haidt presents his moral foundations research in a TED talk. He argues that liberals and conservatives weigh a different set of moral values, which helps explain political divides.
What's Going on With Shipping? · 2 HN recommenders
Sal Mercogliano of What's Going on With Shipping? discusses a debate between the Center for Maritime Strategy and the Heritage Foundation over whether the Jones Act helps or harms American shipping and national security.
Bite-sized Philosophy · 3 HN recommenders
A clip of psychologist Jordan Peterson lecturing on intelligence and IQ, covering how it is defined and its correlation with academic and work success.
Bite-sized Philosophy · 2 HN recommenders
A clip of Jordan Peterson arguing that IQ is a strong predictor of job market success and that more complex jobs demand higher cognitive ability. He discusses what this means for people left behind.
Bite-sized Philosophy · 2 HN recommenders
A short clip of Jordan Peterson explaining Pareto distributions, using Soviet farm collectivization and the resulting famine as context. It also covers how outcomes concentrate in a few people.
Channel 4 News · 5 HN recommenders
Channel 4 News's full interview with Jordan Peterson, in which Cathy Newman presses him on the gender pay gap, patriarchy, campus protests and postmodernism. It was widely discussed for its confrontational style.
ReasonConf · 4 HN recommenders
Jordan Walke, creator of React, talks at ReasonConf 2019 about the ideas behind ReasonML and how it extends React's programming model with OCaml. He also discusses why familiar syntax matters.
thepostarchive · 3 HN recommenders
The six Norton Lectures Jorge Luis Borges gave in 1967-68, titled This Craft of Verse, on topics including the riddle of poetry, metaphor, storytelling, translation and a poet's creed. The recording runs over four hours.
Lex Fridman · 6 HN recommenders
Lex Fridman has a three-hour conversation with Joscha Bach about artificial consciousness, the workings of the mind, intelligence and the possibly simulated nature of reality.
media.ccc.de · 2 HN recommenders
Joscha Bach's 32C3 talk applies computational theories of mind to questions of meaning, emotion, and love, asking how computation can explain irrational-seeming human experience.
Joscha Bach · 3 HN recommenders
Joscha Bach's 31c3 talk argues that the mind should be understood as an information-processing system and that even the physical universe can be seen as computational. It tours the philosophy underlying artificial intelligence and cognitive science.
This Week in Startups · 2 HN recommenders
Journalist Vincent Woo discusses his New York Magazine piece on Lambda School's misleading promises, including its income share agreements and placement claims, in an interview on This Week in Startups. The host questions him pointedly.
Computerphile · 6 HN recommenders
Mike Pound explains the discrete cosine transform and how it underpins JPEG compression. It is part two of Computerphile's JPEG series.
Tsoding · 3 HN recommenders
Tsoding live-codes a JSON parser from scratch in Haskell in about 111 lines, using only the standard library. It is an edited Twitch stream that explains the intuition behind parser combinators, functors, applicatives and monads.
grapefrukt · 12 HN recommenders
Martin Jonasson and Petri Purho take a bland Breakout clone and add layer after layer of 'juice' such as easing, particles, screen shake and sound until it feels alive. A live demo makes the effect of small feedback details obvious.
European Lisp Symposium · 4 HN recommenders
Stefan Karpinski's European Lisp Symposium 2016 talk asks whether Julia is a Lisp. He covers the features it borrows from Lisp, such as macros and closures, and where it departs, including syntax and its type system, with generated machine code shown.
FreeBSD · 2 HN recommenders
Matt Ahrens presents the FreeBSD Foundation sponsored RAID-Z Expansion project for ZFS at the June 2021 FreeBSD Developer Summit. It explains how a RAID-Z vdev can be grown by adding disks on the fly.
Trippin' on Cookies · 2 HN recommenders
A short demonstration comparing just intonation with equal temperament, played so you can hear how the tuning compromise changes intervals and chords. It includes a Bach prelude played in both tunings.
Harvard University · 11 HN recommenders
The first episode of Michael Sandel's Harvard course on moral reasoning, opening with the trolley problem and the choice between killing one to save five. Sandel draws out student arguments and introduces utilitarian and other approaches to justice.
turinpt2 · 2 HN recommenders
A Justin Bieber song slowed down 800% with the PaulStretch program, turning a pop track into a long ambient drone.
Dr. Becky · 2 HN recommenders
Astrophysicist Dr. Becky explains the Hubble tension, the disagreement between expansion-rate measurements from the cosmic microwave background and the distance ladder, and what early JWST Cepheid observations add.
PyCon 2016 · 4 HN recommenders
K Lars Lohn's PyCon 2016 keynote weaves together music theory, programming, biking road trips and fractals. It is a personal, wide-ranging talk rather than a Python how-to.
MediaArtTube · 2 HN recommenders
Karl Sims's 1994 demonstration of evolved virtual creatures: block-bodied creatures whose bodies and controllers are evolved through selection, mutation and recombination to swim, walk and compete.
vlogbrothers · 3 HN recommenders
Kedi is a feature documentary following seven street cats of Istanbul and the people who care for them. It portrays the relationship between the city and its cats.
TED · 2 HN recommenders
A four-minute TED talk in which Derek Sivers argues that announcing your goals can make you less likely to achieve them. He cites psychology research going back to the 1920s.
Lex Fridman · 2 HN recommenders
Lex Fridman interviews Instagram co-founder and former CEO Kevin Systrom about building the product, its early days and its pivot story.
Association for Computing Machinery (ACM) · 4 HN recommenders
Jafar Husain's ACM keynote presents Netflix's JSON Graph and Falcor, which let web developers treat all cloud data as one virtual JSON model. It combines reactive programming with REST principles.
Linux.conf.au 2012 -- Ballarat, Australia · 2 HN recommenders
Karen Sandler's keynote at Linux.conf.au 2012 on the software running inside medical devices such as her own pacemaker-defibrillator. She discusses the difficulty of learning what code runs in life-sustaining devices and why open source matters there.
PyCon US · 4 HN recommenders
Robert Erdmann, a materials scientist at the Rijksmuseum, gives a PyCon keynote on the ultra-high-resolution imaging of Rembrandt's Night Watch. He covers the automated gantry camera system, the Python software that drives it, and the large volumes of image data involved.
The Julia Programming Language · 2 HN recommenders
Steven G. Johnson, MIT professor and FFTW co-author, gives a JuliaCon 2019 keynote on metaprogramming and staged programming in Julia, showing how it enables high-performance numerical code and when not to use macros.
David Beazley · 3 HN recommenders
David Beazley's PyData Global 2021 keynote, an oral history of early scientific Python. He tells how Python ended up running on a Connection Machine supercomputer at Los Alamos.
EuroBSDCon · 3 HN recommenders
Patricia Aas's EuroBSDCon keynote is about ethics for people who build software, covering how the tech industry got to its current state and what engineers can do about it. It steps back from technical detail to the bigger picture.
Google for Developers · 2 HN recommenders
Keynote from the 2016 Dart Developer Summit introducing Flutter, Google's toolkit for building mobile apps from one codebase. It shows early demos aimed at native look and feel.
Next Day Video · 7 HN recommenders
Paul Graham's keynote at PyCon 2012, in which he talks about startup ideas and what kinds of companies are likely to matter in the future. He discusses ideas such as a better email client and a search engine for hackers, and argues for looking back at the present from the future.
Scalapeño · 2 HN recommenders
John A. De Goes's Scalapeno keynote argues that Scala's popularity is declining because of compile times, complexity and compatibility problems. He proposes a path for Scala to survive, including a simplified functional subset.
The Linux Foundation · 3 HN recommenders
Luke Wagner of Fastly explains what a WebAssembly component is, how it relates to familiar concepts, and what the Component Model enables. It emphasizes security, composability and modularity.
20th Century Time Machine · 4 HN recommenders
A 1985 interview by G. Edward Griffin with former KGB operative Yuri Bezmenov. He describes long-running Soviet efforts at ideological subversion and manipulation of US public opinion.
Veritasium · 2 HN recommenders
Veritasium examines research suggesting science explainer videos like Khan Academy's make students feel they understand while tests show they have not learned, because misconceptions go unaddressed. It suggests how to partly fix this.
Phil’s Lab · 3 HN recommenders
A 100-minute tutorial from Phil's Lab on designing an STM32-based 'black pill' PCB in KiCad 6. It covers schematic capture, two-layer layout and routing, USB, and sending the board for manufacture and assembly.
Google TechTalks · 2 HN recommenders
A Google Tech Talk by the author of Kilim, a Java library for lightweight actor-style message passing. It argues that message passing can replace shared-memory concurrency and claims performance competitive with or better than Erlang for huge numbers of actors.
Top Gear · 3 HN recommenders
Top Gear episode in which Jeremy Clarkson and team try to destroy a Toyota Hilux pickup through water, fire, and a demolished building. It is the first part of the 'Killing a Toyota' series.
TheBitcoinArmy · 5 HN recommenders
Kim Nilsson presents his investigation into how Mt. Gox was hacked and mismanaged, tracing the finances and the missing bitcoins. It was given at the 2017 Breaking Bitcoin meetup.
em2134x · 3 HN recommenders
A very short animation of a kinesin motor protein walking along a microtubule inside a cell, carrying cargo.
Kostya Kimlat · 3 HN recommenders
Magician Kostya Kimlat performs a card trick on Penn & Teller: Fool Us that fooled the duo, using Penn's favorite card trick as a basis.
Scott Manley · 3 HN recommenders
Scott Manley explains the plumbing of rocket engines, including pressure-fed, gas generator, expander and staged combustion cycles. He shows why more complex designs exist and what they gain.
Perforce Puppet · 2 HN recommenders
Kelsey Hightower introduces Kubernetes to sysadmins at PuppetConf 2016, with a demo. He explains the declarative model and how it changes the contract between infrastructure and applications.