THE ARCHIVE · EVERY DISCOVERY
3,553 videos with summaries and linked Hacker News recommendations, arranged by title.
CppNow · 3 HN recommenders
John McCall of Apple's Swift team presents at CppNow 2023 on introducing a memory-safe successor language into large C++ code bases. He argues incremental improvement of C++ hits hard limits and explains Swift's C++ interoperability for gradual migration.
tripflag · 7 HN recommenders
The author of copyparty introduces the FOSS file server he has built over five years, demoing its features such as resumable uploads, WebDAV and deduplication. The video itself is shown running on a demo server.
Code Sync · 2 HN recommenders
Jose Valim introduces Nx, the project bringing numerical computing to Elixir, covering multi-dimensional tensors, automatic differentiation and JIT compilation to CPU and GPU.
lathosjp · 2 HN recommenders
The SILE author's FOSDEM 2015 talk introducing SILE, a TeX-inspired typesetting system with frame-based layout, Unicode, OpenType and a Lua-based extensible design.
InfoQ · 3 HN recommenders
Scott Chacon introduces Git by showing what happens under the hood for basic commands: staging, committing, data storage, branching, merging and pushing. He contrasts it with Subversion and shows history viewing with log.
Mr Martin Shkreli · 2 HN recommenders
The first lesson of Martin Shkreli's introductory investing and finance course, running about two and a half hours. His related tutorials cover reading 10-K filings and building DCF models.
Enthought · 3 HN recommenders
David Sanders gives the first part of a two-part introduction to the Julia programming language at SciPy 2014. It walks through the language's basics and its appeal for scientific computing.
InfoQ · 5 HN recommenders
Ryan Dahl, the creator of Node.js, introduces the event-driven I/O framework built on V8 with examples, and discusses the v0.4.0 release and its new APIs.
GOTO Conferences · 6 HN recommenders
Martin Fowler's GOTO 2012 introduction to NoSQL databases: where they came from, their data models, how consistency thinking differs, and when to use them. He argues they won't make relational databases obsolete and introduces polyglot persistence.
engineerguy · 4 HN recommenders
Bill Hammack of engineerguy introduces his series on Michael Faraday's lectures on The Chemical History of a Candle. He describes the free companion book and the commentary and caption features that help modern viewers.
People Make Games · 5 HN recommenders
People Make Games investigates how Roblox relies on young, often child, developers to build its content while paying them very little. It covers Roblox's monetization model, the revenue split, and the harms to kids who make games on the platform.
FortNine · 4 HN recommenders
FortNine's tongue-in-cheek guide to why drivers fail to see motorcyclists and how riders can make themselves more visible. It touches on perception psychology, including the role of saccades.
ClojureTV · 7 HN recommenders
Guy Steele's invited talk at Clojure/conj on the informal metanotation computer scientists use in papers to describe languages. He traces how this notation developed and why it is often unspecified and arcane.
Iowa Pork Industry Center · 2 HN recommenders
Peter Zeihan speaks at Iowa Swine Day 2022 on geopolitics, the end of globalization and agriculture. He argues that supply chains, energy and farm inputs are all about to be disrupted.
Juan Benet · 2 HN recommenders
Juan Benet gives an overview and demo of the go-ipfs alpha. It shows the peer-to-peer content-addressed protocol in action, including streaming video from a home computer.
Protectstar Inc. · 4 HN recommenders
The full 80-minute Macworld 2007 keynote in which Steve Jobs introduced the original iPhone. It includes the multitouch demos, visual voicemail and scrolling.
Kristy Viers · 3 HN recommenders
Kristy Viers demonstrates the iPhone Magnifier combined with VoiceOver to describe the user's surroundings. She shows how the built-in feature reports scenes, faces and lighting.
warphotography · 7 HN recommenders
A five-minute clip of Ira Glass on the gap between good taste and early creative work. He says beginners know their work falls short and must keep producing to close the gap.
Getoutthebox1 · 3 HN recommenders
A two-minute video of Ira Glass on the creative process, describing the gap between taste and skill when starting out and urging you to keep producing until your work matches your taste.
The Institute for the Study of Ancient Cultures · 4 HN recommenders
Irving Finkel of the British Museum tells how a 4,000-year-old cuneiform tablet came to him for examination. It revealed the oldest known account of Noah's Ark and led to a book and a documentary.
Mizzou Visual Productions · 2 HN recommenders
Psychologist Irving Kirsch gives a distinguished lecture on antidepressant trials and the placebo effect. He argues drug-placebo differences are small outside severe depression.
Stanford Health Care · 3 HN recommenders
Stanford Health Care hosts Christopher Gardner and Robert Lustig on whether all calories are equal, with a focus on processed food and sugar. The talk questions the idea that calories in versus calories out fully explains weight and health.
Jeija · 2 HN recommenders
Jeija demonstrates a modified Minetest game with a spherical planet, using a grid transform to make a voxel world round. It includes the orbit math and download links for the spheretest build.
Engineering Explained · 2 HN recommenders
Engineering Explained compares the lifetime CO2 emissions of a Toyota RAV4 Prime plug-in hybrid with a Tesla Model Y, looking at break-even mileage and whether electric cars are worse for the environment.
Robert Miles AI Safety · 3 HN recommenders
Robert Miles examines whether the case for AI safety is a Pascal's mugging, a tiny probability of an enormous payoff. He argues it is not, because AI risk does not depend on vanishingly small probabilities.
Scott Manley · 2 HN recommenders
Scott Manley explains the thermal balance of spacecraft and how a satellite could be configured to radiate away the heat from datacenter-scale computing in space. His rough numbers suggest it is feasible.
Engineering Explained · 2 HN recommenders
Engineering Explained compares the lifecycle emissions of keeping an old car with those of buying a new, more efficient one. It weighs manufacturing emissions against emissions from driving, and covers gas versus electric cars.
Kurzgesagt – In a Nutshell · 2 HN recommenders
A Kurzgesagt animated explainer on the climate and environmental cost of meat. It covers how beef drives deforestation and emissions, and how this compares with plant-based foods.
Veritasium · 8 HN recommenders
Veritasium explains why a large share of published research findings may be false, covering p-values, p-hacking, publication bias and low replication rates. It draws on John Ioannidis's well-known paper and describes reforms such as preregistration.
Sabine Hossenfelder · 2 HN recommenders
Sabine Hossenfelder weighs the arguments for and against nuclear power, covering waste, fuel supply and newer reactor designs. She is skeptical that fast breeders and thorium solve the problems.
Google TechTalks · 3 HN recommenders
In a 2010 Google Tech Talk, Kirk Sorensen gives an economic analysis of what spent nuclear fuel actually contains. He argues it is mostly valuable material that can be partitioned and reused, not just waste to be isolated for 100,000 years.
Adam Ragusea · 4 HN recommenders
Adam Ragusea examines whether olive oil is unsafe for high-heat cooking and whether it tastes bad when heated. He cites studies showing it is among the most stable cooking oils and that smoke-point worries are overblown.
Kurzgesagt – In a Nutshell · 2 HN recommenders
A Kurzgesagt explainer asking whether organic food is really healthier or better for the environment. It defines what organic means and looks at pesticide use, nutrition and environmental impact, with sources.
Veritasium · 2 HN recommenders
Veritasium examines whether food has become less nutritious, weighing soil depletion, selective breeding and rising atmospheric CO2. It evidences nutrient decline even in weeds over a century and ties it to faster plant growth.
Everyday Astronaut · 4 HN recommenders
Everyday Astronaut explains the basic physics of rocket engines, the main engine cycles and fuel types, then compares SpaceX's methane-fueled full-flow staged combustion Raptor to other engines. It runs nearly 50 minutes with chapter markers.
Noise In Space · 3 HN recommenders
A 105-minute technical deep dive from Noise In Space evaluating whether Starlink satellites could work as synthetic aperture radar. It covers SAR signal-to-noise, amplifiers, antennas, duplexing, phased array beamforming and simulations of V2 Mini and V3 satellites.
PBS Space Time · 3 HN recommenders
PBS Space Time introduces Miguel Alcubierre's warp drive, explaining how spacetime itself could be warped rather than moving a ship through it, and whether it is physically possible.
Kurzgesagt – In a Nutshell · 3 HN recommenders
Kurzgesagt explains how the European Union is governed, how its officials are elected or appointed, and whether a citizen's vote actually matters.
TED · 2 HN recommenders
Steven Pinker's TED talk presents data on homicide, war, poverty and pollution to argue that the world has improved over the past decades. He frames progress as problem-solving, not inevitability.
Veritasium · 4 HN recommenders
Veritasium shows silicone oil droplets bouncing on a vibrating bath, a physical analogue of pilot wave theory that reproduces quantum-like behavior such as double-slit patterns.
Vsauce · 2 HN recommenders
Vsauce explores qualia and whether different people experience colors the same way. It draws on color blindness, Mary's room, the explanatory gap and subjective experience.
Jason Headley · 5 HN recommenders
A two-minute comedy sketch in which a woman describes her problems while a visible nail sticks out of her head, and her partner keeps trying to fix it instead of listening. It dramatizes the gap between wanting empathy and being offered solutions.
Vox · 2 HN recommenders
Vox's Joe Posner, with help from 99% Invisible, explains why bad doors are everywhere. It covers Don Norman's long-running complaint about doors and the idea that good design should not need instructions.
Boston SciFi · 2 HN recommenders
Trailer for the documentary It's Quieter in the Twilight, shown at the Boston SciFi Film Festival. The film follows the engineers who keep the Voyager spacecraft running.
Climate Town · 10 HN recommenders
Climate Town argues for moving away from gas stoves. It covers the gas industry's decades of marketing and lobbying, health effects of gas cooking, methane leaks, and the case for induction.
Interface Studies · 5 HN recommenders
A TV show about Ivan Sutherland's 1963 MIT thesis software Sketchpad, which ran on the TX-2 computer. It shows a light pen drawing, constraints, snapping, scaling and object-style graphics, foundations of GUIs and CAD.
Christopher Cabanne · 4 HN recommenders
J. B. Rainsberger argues that large integrated tests are a scam: they are slow, fail opaquely, and give a false sense of coverage. He advocates focused collaboration and contract tests at boundaries instead.
ContraPoints · 3 HN recommenders
A roughly 90-minute video essay by ContraPoints on J.K. Rowling and the controversy around her views on gender. It examines why many LGBTQ people and allies soured on her.
JustASuicidalGirl · 3 HN recommenders
Organist Hans-Andre Stamm performs Bach's Toccata and Fugue in D minor, BWV 565, on the Trost organ in Waltershausen, Germany, an instrument from 1730. The video shows the playing and footwork.
BATACHAN DESU · 2 HN recommenders
Glenn Gould's 1955 recording of Bach's Goldberg Variations, uploaded as a continuous performance of about 39 minutes.
Science Communication Lab · 6 HN recommenders
Jack Szostak's lecture covers how cellular life could have arisen from chemistry on the early Earth, starting from the odds of life elsewhere in the galaxy. It is part of a series on protocells and the RNA world.
Every Frame a Painting · 9 HN recommenders
Every Frame a Painting analyzes how Jackie Chan stages action comedy, with nine principles such as starting from a disadvantage, using the environment, clear shots, and keeping action and reaction in the same frame.
NewYorkRawVideos · 3 HN recommenders
Part 2 of a Q&A workshop with security researcher Jacob Appelbaum from April 2012, covering mobile phone security, cellphone forensics, state repression and surveillance. Topics include booting Tails from USB and surveillance self-defense resources.
WIRED · 2 HN recommenders
WIRED's 5 Levels format with Jacob Collier explaining harmony to a child, a teen, a college student, a professional and Herbie Hancock.
George Collier · 2 HN recommenders
A one-minute clip of Jacob Collier tuning a piano, remarking that it is not in tune at all. It touches on his views on equal temperament and tuning.
Сидоров Дмитрий · 2 HN recommenders
Jacques Pepin makes a classic French omelette in a short uncut demonstration. The video contrasts it with the American style.
SXSW · 3 HN recommenders
George Hotz gives a SXSW 2019 talk on the idea that we live in a simulation and asks what actions would be available from inside it. He takes a hacker's view of whether it could be escaped.
JSConf · 7 HN recommenders
Jake Archibald's JSConf.Asia 2018 talk "In the Loop" explains the browser event loop, covering tasks, microtasks, requestAnimationFrame, and how rendering interleaves with JavaScript. It uses visual walkthroughs to show why code runs in surprising orders and why setTimeout fixes are unreliable.
TallPiler · 2 HN recommenders
Jake Thackray performs the folk song Molly Metcalfe, which opens with an explanation of the traditional northern English sheep-counting system (yan, tan, tethera). It is a short, witty piece of British folk songwriting.
PyCon 2016 · 3 HN recommenders
Jake Vanderplas's PyCon 2016 talk shows how sampling-based methods such as simulation, shuffling and bootstrapping make statistics intuitive. His pitch is that if you can write a for-loop, you can do statistics.