z/os

Moleman 2 is a feature-length documentary about the demoscene, tracing its rise from 1980s Commodore 64 culture to modern real-time art. It explains the algorithms and creative process behind demos and intros.

Memories is a 256-byte MS-DOS demo that packs eight effects and MIDI soundscapes into a tiny program. It won first place at Revision 2020.

Johns Hopkins APL shows Les Baugh, a bilateral shoulder-level amputee, controlling two Modular Prosthetic Limbs by thought after a short training period. Nerves rerouted to his chest drive the arms.

Physicist Roger Penrose and philosopher William Lane Craig discuss the origin of the universe on the Unbelievable? show. Topics include Penrose's three realms of reality, conformal cyclic cosmology and whether fine tuning points to a creator.

A one-minute clip from Richard Feynman's 1979 Auckland lecture in which he answers whether you see an object or only its light. It is a short, playful take on perception and on the use of philosophy.

Ben Krasnow shows the first image from his home-built scanning electron microscope, after months of work, and walks through how the parts operate together.

Veritasium explains how cosmic rays and other particles flip bits in computer memory, with examples including a Belgian election count error, plane incidents and game glitches. It is inspired by a RadioLab episode on bit flips.

Applied Science explains how retail anti-theft tags work. A tiny magnetostrictive strip acts as a mechanical oscillator excited by a magnetic field, and magnetizing or demagnetizing it arms or disarms the tag.

A long personal account by a former NixOS contributor of his experience in the community, his ban and the governance events. He aims to correct what he sees as a false narrative about the NixOS drama.

Mitchell Hashimoto walks through his setup for running a NixOS virtual machine on a Mac as his development environment, with a config repo on GitHub.

A short National Geographic piece showing a laser system that tracks and kills mosquitoes, filmed in slow motion, as part of anti-malaria efforts. It comes from Intellectual Ventures' 2010 work.

A short test firing of the XRS-2200 linear aerospike engine at NASA Stennis Space Center, which was designed for the cancelled X-33 VentureStar. The engine is shown at roughly 80 percent of max thrust.

A short demo of a 3D Wayland compositor built with Qt 5 and QtWayland, mapping input to and compositing the output of Wayland applications in a 3D scene, also running on a Raspberry Pi.

Bryan Cantrill's illumos Day 2014 talk on running Linux containers on an illumos kernel via LX-branded zones. He covers emulating Linux syscalls on SmartOS and compares Linux and Solaris-derived systems.

Louis Rossmann explains why he stopped using GrapheneOS, describing his interactions with its lead developer Daniel Micay. It includes chat logs shown in the video.

A recording of .the .product by Farbrausch, the first-place 64k intro at The Party 2000. It fits an 11-minute 3D demo with music into 64 kilobytes.

A video essay explaining hauntology, Mark Fisher's idea of lost futures, and 80s nostalgia. It uses the Fallout games and other media as examples of a retro-futurism that mourns futures that never arrived.

Chaos Theory is a 64k demoscene intro by Conspiracy and CNS that took second place at Assembly 2006, generating its graphics and music from a tiny executable.

A one-minute capture of Tim Clarke's 1993 'Mars' DOS demo, a roughly 5 KB program that renders a navigable terrain landscape in real time.

A brief demonstration of a railroad tank car imploding after a vacuum is pulled with its safety valves disabled.

Fredrik Knudsen's 86-minute documentary on Terry A. Davis, creator of TempleOS, tracing his work, his schizophrenia and his decline. It is a chronological video essay built on his public posts and videos.

John Ousterhout's slides-and-voiceover lecture on Paxos, made for the Raft user study comparing how students learn Raft and Paxos. It is a full introduction to the Paxos consensus algorithm.

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.

CGP Grey explains that postal codes are routing instructions for mail rather than geographic regions. He looks at the quirks and problems this causes.

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.

A three-hour PyCon 2016 tutorial by Christophe Pettus that orients Python developers to PostgreSQL. It covers installation, administration, and use, including vacuuming, MVCC, replication and backups.

Musician and audio engineer Benn Jordan tries Dolby Atmos as a consumer, covering the theory of immersive audio, its business model, and home theater and headphone listening. He concludes it often falls short of the pitch.

Timothy Cain's 2012 GDC postmortem of the original Fallout, covering how he helped build the game and set the template for open-world RPGs. He talks through production, design and programming decisions.

Jerobeam Fenderson shows how to draw a mushroom on an oscilloscope in XY mode using stereo audio, then animates it by modulating with a larger wave. Pd and Max4Live patches are provided.

Dan Tentler's DEF CON 20 talk on odd things he found on the internet through Shodan, such as stoplights, power systems and other non-computer devices exposed online. It highlights how many devices need no credentials.

An episode of the comedic You Suck at Photoshop series in which Donnie Hoyle teaches distort, warp and layer effects while vandalizing a Vanagon in the image. It won Webby awards as a how-to and comedy series.

Esther Gokhale's short TEDx talk argues that the natural human spine is curved rather than straight and teaches a 'primal posture' for sitting without back pain.

Michael Bryzek of Flow gives a QCon London 2018 talk on key decisions for building maintainable microservices. It covers infrastructure, continuous deployment, communication, event streaming and language choice.

A 32C3 talk dissecting Red Star OS, North Korea's state-built operating system. The speakers explain its internals and how it invades users' privacy, including file watermarking.

Scott Arciszewski's DEF CON 26 Crypto and Privacy Village talk critiquing the JOSE standards (JWT, JWS, JWE) and showing how to design cryptographic tokens more safely.

Micah Lee's Circle of HOPE 2018 talk on Qubes OS, which isolates activities in separate virtual machines so one compromise, such as a bad PDF or USB stick, does not expose everything. He gives an overview timed around the Qubes 4.0 release.

Jimmy Bogard presents a post-mortem of a real microservices migration that turned into a slow distributed monolith. He covers the modeling, development and production problems and how the team recovered.

A 2014 talk by Geo Carncross (geocar) demonstrating kOS, a minimalist operating system and programming environment built around the k language, with early screenshots.

A restored recording of Steve Jobs unveiling the original Macintosh in 1984, including the moment it is taken out of its bag and speaks. The upload comes from the team that rediscovered and restored the lost footage.

Recording of the January 1984 Boston Computer Society meeting where Steve Jobs unveiled the Macintosh. It is followed by a panel Q&A with core Mac team members such as Andy Hertzfeld, Bill Atkinson and Steve Capps.