user testing

2kliksphilip examines UserBenchmark, a hardware comparison site known for strongly biased, pro-Intel writing. The video explains the site's credibility problems and points viewers to better sources for CPU and GPU information.

A 1982 Xerox PARC film, presented at CHI '90, in which Star designers David Canfield Smith and Charles Irby give an overview of the Xerox Star interface. It shows the document-centric, icon-and-window office system.

Veritasium tells how Kodak film was fogged by radioactive fallout from the first atomic tests, letting the company detect nuclear testing before anyone announced it. The video also covers the deal to keep it quiet and how fallout contaminated packaging.

Tantacrul critiques the UX and UI of Steinberg's Dorico music notation software, comparing it with Sibelius and user testing it with real musicians alongside his own attempt to compose in it.

MedCram's Dr. Roger Seheult summarizes a discussion with Dr. Michael Mina on cheap, paper-based at-home COVID-19 antigen tests. It explains why lower sensitivity can still work well for screening infectious people.

Asian Boss interviews Professor Kim Woo-joo of Korea University Guro Hospital about COVID-19 in early 2020. He covers masks, testing, aerosol spread, and South Korea's response.

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.

Veritasium takes an IQ test and examines what IQ measures, its history including military use and eugenics, its controversies, and how it correlates with life outcomes. Experts including Cecil Reynolds and Stuart Ritchie contribute.

Linus Tech Tips tests a large batch of DisplayPort cables with a Total Phase cable tester, checking bandwidth and signal quality. Many cables did not meet their claimed specs.

A short news clip of a test in which a Tesla hits a child-sized dummy while a car equipped with Luminar's lidar stops in time.

A one-minute clip of Steve Jobs in 2010 saying companies should ask users before tracking them, and that people's personal data is like their diary.

A Medlife Crisis video by cardiologist Rohin Francis on overdiagnosis and over-screening. It explains how detecting more disease does not necessarily mean saving more lives, and covers harms such as unnecessary treatment.

A seven-minute demo from the author of Notcurses, a C library for text user interfaces. It shows the 2.3.0 release, which adds Sixel and Kitty bitmap graphics integrated into its multiplane character-graphics model.

Jason Perkins's talk at Vintage Computer Festival East 2020 compares the user interface of the Xerox Star with that of the Apple Lisa. It covers editing documents, the Star's mouse and a Q&A.

GoldenSound publishes music on Tidal to test MQA, a deep dive into the format's claims and problems including its leaky filter. Testing begins around the 5:45 mark.

Louis Rossmann reacts to lobbyist ads in the Massachusetts right-to-repair ballot fight that suggest repair access would enable domestic abuse and discrimination, and urges support for the campaign.

Scott Manley tells the story of a computerized telemetry system built to sit at the heart of a nuclear test device in place of the plutonium pit, designed to transmit data in the microseconds before it was destroyed.

Dr. Anthony Fauci joins the This Week in Virology podcast to discuss SARS-CoV-2 transmission, testing, immunity, vaccines and preparedness.

A reupload of Joel Spolsky's talk teaching spreadsheet users the Excel features they are probably missing, such as keyboard navigation, named ranges, tables and lookups. The original disappeared and this copy comes from the Wayback Machine.

Accursed Farms' hour-plus critique of the modern desktop GUI. It argues that current interfaces are a regression from older designs such as Windows 7 and proposes principles for better ones.

Mark Rober tests whether self-driving cars can be fooled, comparing a lidar-equipped car with a camera-only Tesla in scenarios including a painted Wile E. Coyote wall and smoke.

NASASpaceflight's 24/7 live stream from SpaceX's Starbase in Boca Chica, Texas, showing Starship and Super Heavy development, testing and launches.

Scott Jenson, a veteran UX designer formerly at Apple and Google, argues that the 'UX/UI' split pits programmers against designers and narrows ambition in open source. He makes the case that desktop UX has stagnated and that open source projects could lead experimentation beyond current interaction models.

A short Tesla promotional video touring the company's Crash Lab. It describes using data from the fleet and replicated real-world crash scenarios to engineer vehicle safety.

JerryRigEverything puts the iPhone Air through scratch, bend and durability tests and is surprised that the ultra-thin phone proves very tough. The video is sponsored by dbrand cases.

Andrew Huberman's podcast episode on what makes us sleepy, helps us sleep soundly and keeps us alert. It lays out the science and a set of behavioral tools such as light timing.

Oh The Urbanity! argues that most city dwellers live in dense residential neighbourhoods outside downtown, which can be calm and peaceful. It draws on older, denser parts of Toronto and Montreal.

Guy Steele's classic 1998 OOPSLA keynote on how a programming language must grow with its user community. He delivers it in a playful style, starting with only monosyllabic words and defining new terms as he goes.

A 38C3 talk on how advanced chips are made, centered on EUV lithography and the global supply chain behind it. It covers technical challenges from raw materials to finished chips and the geopolitical weight of semiconductors.

A long video essay on MyHouse.wad, a Doom II mod uploaded by an anonymous user that hides unsettling secrets in its walls. It tells the story of the map, its mystery and its liminal horror.

RealLifeLore explains with maps why Russia invaded Ukraine, focusing on energy resources, security buffers, Black Sea access and Crimea's strategic value.

A Gamers Nexus investigative documentary on the black market for Nvidia AI GPUs, following smugglers, middlemen, and buyers, including reporting from China. It examines how export-restricted chips reach their users.

Not Just Bikes takes on the common excuse that a country is simply too big or spread out for good transit and walkable cities. The video argues that city density and short everyday trips matter, not national size or overall population density.

An ESOTERICA episode tracing Yahweh from a warrior-storm god near Mt Seir to the god of the Israelites in the Judean highlands. It examines how Yahwism absorbed and contended with Canaanite religion.

Blender Guru's beginner tutorial series, in which you model, light, texture and render a donut while learning Blender's core features. This is Part 1 of the Blender 3.0 version.

The introduction to MangoJelly's beginner course for FreeCAD 1.0. The course teaches solid modeling with the Part Design, Sketcher and Part workbenches.

Ben Felix explains how central bank money creation and quantitative easing actually work, and what they do and do not imply for asset prices and currency. He addresses the common belief that the Fed prints unlimited money and props up markets.

A fan-made Metal Gear Solid 2 codec call using AI voice synthesis, in which the Colonel warns Raiden about using AI to censor the internet and enforce digital ID. It riffs on the game's 'Selection for Societal Sanity' conversation.

Mark Rober digs into bed bugs, testing popular beliefs about where they come from and how to get rid of them. It mixes entertaining experiments with research-based advice on what works and what does not.

A short music video by the Japanese group Electronicos Fantasticos, led by Ei Wada, playing festival-style music on repurposed old electronics. Instruments include CRT TVs, a barcode reader, an electric fan harp and TV taiko drums.