perfect recall

Rick Beato argues that adults cannot develop true perfect pitch, which he ties to critical-period brain plasticity and language acquisition. He says it can only be developed in young children, and discusses the research behind this.

A clip of Milton Friedman answering an audience member about Ford's decision not to recall the Pinto, in which he defends weighing safety costs against benefits. The uploader's framing is strongly hostile to Friedman.

Rick Beato tests his 8-year-old son Dylan's perfect pitch on single notes, note pairs and complex polychords.

Adam Neely explains what perfect (absolute) pitch is, how it differs from relative and quasi-absolute pitch, and why he would not want it. He covers its drawbacks, including drift with age.

Rick Beato discusses a theory of why some children develop perfect pitch, based on early exposure to music. He draws on his experience with his own children.

A two-minute clip from the film Fight Club in which the narrator, a former recall coordinator, explains the formula companies use to decide whether a recall costs more than paying out settlements.

A short TV segment on Jill Price, a woman with highly superior autobiographical memory who recalls nearly every day of her life. She describes the good and bad sides of never forgetting.

A short silent video from the US Consumer Product Safety Commission warning consumers to stop using the Peloton Tread+. It shows a child being pulled under the treadmill, and it preceded Peloton's recall.

A one-minute clip of the Warcraft II sound card test in setup, where the test sample plays and the voice says the sound card works perfectly.

CGP Grey explains how traffic jams come from human driving behavior such as tailgating and reaction delays, and how leaving gaps and smoothing speed would reduce congestion. It also touches on self-driving cars.

A New York Times Opinion documentary tracing Soviet and KGB disinformation, from the 1980s AIDS origin hoax to modern campaigns like Pizzagate. It features former KGB officers and the people who tried to counter the lies.

A short, nearly wordless demonstration of making sourdough pizza at home using a cast iron pan and the oven. It shows a Neapolitan-style result without a pizza steel or stone.

Deviant Ollam shows that most physical attacks on doors bypass the lock, with photo and video examples of how doors, frames and hardware get defeated. It is a physical security talk from Shakacon.

Matt Parker of Stand-up Maths asks whether a country's reported land area accounts for hills and mountains, working through how surface area depends on the resolution of elevation data. It follows up on a question from a viewer and work by researchers who measured it.

CGP Grey explains the elegant ratio of A4 and the metric paper sizes, then zooms out across scales from the Planck length to the observable universe.

Dr. K of HealthyGamerGG argues that gifted kids can be seen as special needs, tracing a path from the gifted label to burnout and perfectionism.

Linus Tech Tips builds a Linux PC together with Linus Torvalds, who talks through parts selection, kernel development and some of his side projects. The conversation also touches on AI in kernel work.

A 60 Minutes segment in which Navy pilots Dave Fravor and Alex Dietrich recount their 2004 encounter with the 'tic tac' UAP during training with the USS Nimitz group.

A no-death, no-bomb run of Touhou 8 Imperishable Night Stage 6A on Lunatic difficulty, capturing all spellcards. The player describes how Eirin's dense, crisscrossing patterns work and how to manipulate the bosses' positioning.

LabCoatz uses mass spectrometry, with help from other science YouTubers, to reverse engineer the Coca-Cola flavor and builds a chemically-identical replica. The video walks through a year of work on the formula.

A More Perfect Union report from a small Texas town next to a large Bitcoin mining facility, where residents describe constant noise and health problems. It looks at the political and corporate power behind the facility.

A More Perfect Union report on xAI's data center in Memphis, which residents say burns gas without permits or pollution controls and harms their health.

A video essay from Every Frame a Painting on animator Satoshi Kon and his editing style, which distorts and warps space and time. It draws on his four features and one TV series.

A short demo of Automaton 2000 Micro, a StarCraft bot built in Blizzard's World Editor that splits marines perfectly against banelings. It shows inhuman unit micromanagement with zero losses.

A one-minute clip of Alexander Overwijk drawing a near-perfect freehand circle, one metre across, in under a second on a chalkboard. He is a repeat winner of the World Freehand Circle Drawing Championship.

Casey Muratori's long talk arguing that modern software has ballooned to tens of millions of lines because of hardware and OS diversity. He proposes a stable ISA for entire system-on-a-chip packages and recalls when games shipped with their own boot disk.

George Carlin's classic stand-up routine about 'stuff' and how much of life is spent accumulating and storing it, from Comic Relief 1986. It satirizes American consumerism and possessions.

Posy gives a short history of the computer mouse cursor, from early straight pointers to the tilted arrow, comparing Apple and Windows designs. He then explains why he designed his own cursor set and offers it as a free download.

Veritasium explains the effort to redefine the kilogram, which was still defined by a physical artifact, and how a near-perfect silicon sphere from the Avogadro project helps. It also covers the history of the unit's odd naming.

The original five-minute Dropbox demo video, which presented the product's features before a finished product existed. It was aimed at technical early adopters and became famous as a launch strategy.

3Blue1Brown explains why positive results on accurate medical tests are often false positives, and reframes Bayes' rule using likelihood ratios (Bayes factors) to update odds. It uses visual examples to make the reasoning intuitive.

In this American Masters clip, Jacques Pepin shows two different techniques for making a perfect omelet, a dish he is famous for teaching America.

A two-minute clip from a 1994 interview with Steve Jobs by the Santa Clara Valley Historical Association. Jobs talks about failure and about how most people never ask for help, recalling that he simply called people to ask.

The pilot of the British comedy series Look Around You, a deadpan parody of 1970s and 80s school science programmes, in which the scientists examine calcium.

A minutephysics video explaining why a piano cannot be perfectly tuned, comparing equal temperament with just intonation and the math of harmonics.

Lex Fridman interviews chip architect Jim Keller about the future of computing, AI, life and consciousness. Topics include CPU design, branch prediction and why imperfect designs often win.

A KRAZAM satirical sketch about hustle culture and productivity obsession in tech.

SethBling performs the first credits warp in Super Mario World on a real SNES console, a glitch that plays the ending without beating Bowser. The run relies on pixel-perfect positioning and tools such as a helper ROM hack.

A one-minute clip from James Burke's 1978 BBC series Connections in which he walks past a Saturn V rocket and a timed take-off happens behind him in a single shot, with no green screen.

A SIGGRAPH Asia 2013 research demo of 3-Sweep, a tool for extracting editable 3D objects from a single photo using a few user strokes. It predates modern AI image tools.