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Ian Hubert shows how to use Blender's motion tracking to turn ordinary footage of a room into a stylized digital environment for an indie film. It is a quick, practical walkthrough in his loose, lazy-tutorial style.

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.

A demo of PREDATOR (TLD), a real-time object tracker that learns the appearance of its target and improves while it tracks. The technology was later developed commercially.

Footage of a doubleheader of locomotives crawling over badly maintained track on a former Wabash Railroad line, now the ND&W Railway. The uploader explains the track had deferred maintenance for decades.

Leandro Facchinetti explains why he thinks Racket is a great language and why he stopped using it. He describes his backstory and experiences with the Racket community.

Road & Track puts a 2014 Porsche 911 Turbo through 50 back-to-back launch-control runs on a SoCal runway. The car completes 61 launches before the testers lose count.

VICE News reporter Elle Reeve investigates China's rollout of facial recognition and mass surveillance technology and what it means for citizens. The report originally aired on VICE on HBO.

Digital Foundry investigates why Resident Evil Village on PC runs worse with Capcom's Denuvo DRM than a cracked version. They benchmark and confirm performance and frame-pacing differences.

In an 11-minute TED talk, Ralph Langner explains how his team reverse-engineered the Stuxnet worm and worked out that it targeted industrial control systems, with a covert state origin. It is a compact look at cyber-forensics.

Numberphile with Tim Browning on the sum-of-three-cubes problem and why 33 was the lowest unsolved case. The description notes a later solution for 33.

A 1991 Amiga tracker module, 'Space Debris' by Captain (Markus Kaarlonen), uploaded as a video of the music. It is a well-known piece of demoscene-era computer music.

Hans Zimmer's 'Time', the closing piece from the Inception soundtrack, set to a static image.

The Quantified Scientist, a sleep researcher, tests Apple Watch sleep tracking against a research-grade Dreem 2 headband, comparing accuracy for sleep stages, deep and REM sleep. The review is data-focused rather than feature-focused.

The Hated One argues that Apple tracks users and shares their data despite its privacy marketing, pointing to Apple's own privacy policy. It is a critical take on Apple as a corporation rather than a friend of privacy.

Kefrens' Desert Dream, an Amiga demoscene production released at The Gathering in 1993, recaptured in HD at 50fps. It features code, music and graphics by a team of scene members.

A short Cracked video arguing, tongue in cheek, that the world of the film Idiocracy would actually be a utopia. It plays with the movie's premise and today's politics.

At DEF CON 27, Nina Kollars tells how buying Nespresso capsules on eBay led her to investigate fraudsters reselling goods bought with stolen credit cards. She describes her non-technical tracking and reporting efforts.

Ian Hubert shows quick, unconventional tricks for greenscreen compositing in Blender, as a follow-up to his motion tracking video.

Corridor Crew tracks down Disney's lost sodium vapor prism process, used for Mary Poppins-era transparency mattes. They explain how a narrow sodium wavelength and a beam splitter enabled better compositing than green screen.

Jeff Geerling looks at a Sharp NEC commercial display with a slot for a Raspberry Pi Compute Module. It is a large screen without built-in smart TV features or tracking.

A Dutch Top 2000 a gogo segment in which Norman Cook (Fatboy Slim) explains how The Rockafeller Skank is built, in his studio. The studio shows a long-running Atari ST setup.

Benn Jordan concludes his Flock trilogy, filmed on a publicly deployed Flock Safety camera, covering a leak of camera feeds reported by 404 Media. He shows the cameras' capabilities, including panning to track people.

The official music video for David Hasselhoff's synthwave track True Survivor, written for the film Kung Fury. It is an 80s-style pop song from the Kickstarter-funded movie.

Bloomberg shows Ross McNutt demonstrating his wide-area aerial surveillance system, following a shooting and the getaway car and piecing together a crime network.

An Every Frame a Painting video essay asking why Marvel films lack memorable musical themes. It blames temp tracks and directors scoring to filler music.

A clip from Attenborough's Life of Mammals following a San tribesman in the Kalahari on an eight-hour persistence hunt, running down a kudu through harsh heat. It shows tracking, endurance running and the hunter's reaction after the kill.

A short BicycleDutch episode showing how people with disabilities use Dutch cycle tracks on hand-cycles, tricycles and mobility scooters.

Smarter Every Day uses high-speed and Schlieren photography to show how a whip crack is a supersonic shockwave formed at the tip. It references academic papers on whip physics.

Veritasium explains the Dzhanibekov effect, also called the tennis racket theorem, where a spinning object flips unexpectedly about its intermediate axis. The video gives an intuitive account of the underlying rotational dynamics, drawing on Terry Tao's explanation and the original papers.

SalC1 explains how the seed behind the Minecraft title screen panorama was found, using community effort and the Minecraft@Home project. It covers the search through Beta 1.7.3 world seeds.

The first part of the ending alien sequence from the 2018 film Annihilation, with its distinctive soundtrack. The scene features a strange, shifting mimic and a surreal visual climax.

Tom Scott writes a more honest VPN ad, with the sponsor's name redacted, and explains why the typical claims in VPN advertising are misleading. He notes the sponsor was not happy about it.

CGP Grey explains the history of the US Social Security card and number, and why they became a de facto national ID despite never being meant for it. He also covers why America resists a proper identity card.

A compilation of molecular animations of DNA replication and gene transcription by Drew Berry and Etsuko Uno at WEHI, made with no narration. It shows molecular machinery at work inside cells.

VFX supervisor Jonas Ussing examines what studios mean by "no CGI", showing how much invisible CGI hides behind practical-effects marketing. It is the first part of a multi-part series that includes analysis of doctored behind-the-scenes footage.

Morphcat Games explains how they fit Micro Mages, a full-featured NES game, into 40 kilobytes. It covers compression of sprites and level layouts and other space-saving tricks.

The 8-Bit Guy covers IBM's 1981 CGA graphics system, including how composite output and artifacting produced extra colors beyond the nominal palette. He argues CGA looked better in period than it does on RGB monitors.

An Extra Credits episode on China's Sesame Credit, which gamifies obedient citizenship through a social score. It covers how the system rewards conformity and pressures people through their friends' behavior.

CuriousMarc connects a restored 1930 Model 15 Teletype to a Linux machine and uses it as a terminal, after commenters requested it. The video shows the challenges of linking a 5-bit mechanical device to a modern OS.

Eon is a demoscene production by The Black Lotus, released at Revision 2019 and designed for an Amiga with OCS chipset, 512 kB chip and 512 kB fast memory. This is the party version, which has some known glitches.