nor gate

Ben Eater shows how to build logic gates out of transistors, including NOR gates. It is part of his clear hardware-from-scratch teaching style.

Anders Puck Nielsen analyzes the Nord Stream pipeline sabotage using Kilcullen's theory of liminal warfare and prospect theory. He argues from the operational design that Russia is the most likely culprit, then discusses how hybrid warfare might be used against Europe.

On The Ellen Show, Bill Gates plays a game guessing the prices of grocery items.

Astronaut Mike Mullane explains normalisation of deviance, where teams gradually come to accept violations of their own safety standards. He uses the Challenger shuttle disaster as the main case, drawing on NASA's ignored warnings before the launch. It is the first part of a talk given to a fire-fighters' association.

Tom Murphy (suckerpinch) presents a deliberately trollish computer architecture built on IEEE-754 floating point, using NaN and infinity to define logic gates. He builds working hardware around the idea.

Onboard footage of Timo Bernhard driving the Porsche 919 Hybrid Evo to an all-time Nurburgring Nordschleife record lap of 5:19.

Mark Rober makes a plant-based burger for Bill Gates and explains why meat production strains the environment. Gates also appears and discusses his worry about steel and cement.

Bill Gates's 2015 TED talk, given after the 2014 Ebola outbreak, argues the world is unprepared for the next fast-spreading epidemic. He calls for scenario planning, vaccine research, and trained health workers, in the way countries prepare for war.

James Lambert demos a MegaTexture-style technique running on real Nintendo 64 hardware, built for an N64Brew game jam. It streams high-resolution textures onto stained-glass scenes on the console.

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.

Onboard footage of Timo Bernhard setting the Nurburgring Nordschleife lap record of 5:19.546 in the Porsche 919 Hybrid Evo, beating Stefan Bellof's 35-year-old time. The car reaches 369 km/h.

A 1995 Letterman appearance in which Bill Gates explains the origins of Microsoft and tries to convince Dave to get a computer and get online.

A short film of Alex Honnold free soloing El Sendero Luminoso, a 2,500-foot route in El Potrero Chico, Mexico, in a little over three hours with no rope. It was made by The North Face with climbing footage and music.

The first part of Innuendo Studios' six-part video essay series on the online hostility around Anita Sarkeesian and GamerGate. It lays out the history and the motivations of the people involved.

Sociologist and comedian Harald Eia argues in a TEDxOslo talk that Nordic social democracies produce more rich people per capita than the US or UK. He credits high taxes, welfare and strong unions for creating a safety net that enables risk taking.

Hans Rosling and his son Ola run an audience quiz with global population, health and income data to show how wrong most people are about the world. Ola then gives four ways to get less ignorant.

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.

Bach's Toccata and Fugue in D minor on organ, shown with a Music Animation Machine bar-graph score instead of traditional notation.

A 1960 CBS clip in which Leonard Bernstein introduces and conducts Bach's Keyboard Concerto No. 1 in D minor with a 28-year-old Glenn Gould at the piano. Gould's performance starts around 5:08.

Technology Connections explains why North American tail light rules, which allow red turn signals and flashing brake lights, make signals ambiguous. He argues for amber signals and cites studies showing a safety benefit.

About Here explains how North American building codes requiring two staircases make small multi-story apartment buildings hard to build, and contrasts this with places that allow single-stair designs.

Andong examines the popular story that Norway invented salmon sushi in Japan in the 1990s. He argues it is largely a myth, pointing to earlier evidence of raw salmon eaten in Japan and elsewhere.

Richard Cook's short Velocity 2013 talk on resilience in complex adaptive systems, arguing systems operate near the edge of failure and that the surprise is how rarely they fail. He presents a model of how pressures push systems toward failure boundaries.

Matt Parker talks Numberphile through the different kinds of numbers: algebraic, transcendental, computable, normal, and beyond. It shows how few numbers we can actually name or describe.

Not Just Bikes explains how small pockets of shops and restaurants inside residential Dutch neighbourhoods create liveliness and help reduce traffic. It argues this kind of mixed-use design has been illegal in most of the US and Canada for a century because of zoning, and should be brought back.

Footage from the Macworld Boston 1997 keynote where Steve Jobs announces Apple's deal with Microsoft, with Bill Gates appearing on the big screen. The almost bankrupt Apple took Microsoft's investment, and the crowd reacted badly, including booing over Internet Explorer as the default browser.

CityNerd lays out a data-driven method for deciding where high-speed rail should be built in North America and identifies 56 city pairs that justify it, based on population and distance.

Louis CK speaks at a 2010 NYPL tribute to George Carlin about how Carlin's habit of discarding material and writing a new hour each year changed his own career. He becomes emotional describing it.

Robert Miles goes through ten common reasons people give for dismissing AI safety, adapted from Stuart Russell's list, and answers each one. It is aimed at skeptics and newcomers.

Folding Ideas examines weird, algorithm-gamed children's content on YouTube, from automated toddler videos and educational spam to exploitative prank channels. It looks at how autoplay and recommendation systems reward this material.

Not Just Bikes argues that North American transit struggles to attract riders because of the land use around it, not the transit itself. It uses examples such as a London, Ontario line with unreachable stations.

An animated xtranormal explainer on quantitative easing, what the Federal Reserve was doing and how things got there. It was made by Omid Malekan.

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.

Linus Sebastian of Linus Tech Tips discloses that he has invested in Framework, the modular repairable laptop maker. He explains his reasoning and the commitments he is making to viewers about future coverage.

Tom Scott visits Dinorwig Power Station in Wales, a pumped-storage hydro plant often called Britain's largest battery. He explains how it works and how its role has shifted from TV pickup spikes to balancing wind and solar.

A 1967 CBC clip in which Hunter S. Thompson faces a member of the Hell's Angels on television. The studio audience's reactions are a striking window into the era.

A sketch from the Norwegian NRK show Uti Var Hage poking fun at the Danish language and how hard it is to understand.

Wildlife videographer Dani Connor Wild talks with Oscar-winning sound designer Mark Mangini about how her red squirrel recording became the desert mouse sound in Dune.

An excerpt from Hal Abelson's opening SICP lecture introducing computer science and contrasting declarative and imperative knowledge. He argues that computer science is not really a science and is more like magic or engineering of ideas.

Innuendo Studios uses Phil Fish, creator of the game Fez, as a case study in internet celebrity. The essay argues that fame online works differently from traditional fame, and shows how audiences turn on the people they have elevated.