genius bar

Louis Rossmann reacts to a CBC News segment in which an Apple Genius Bar quoted a costly logic board and display replacement for a MacBook that had only a bent pin. He explains why the repair is simple and what the case shows about Apple's repair practices.

Hillsdale historian Burt Folsom lectures at a 2011 seminar on the 'robber barons' of the Gilded Age. He argues that figures like Vanderbilt and Rockefeller were market entrepreneurs rather than monopolists.

Ted Nelson's short eulogy for Douglas Engelbart, delivered at the Computer History Museum in 2013, reflecting on his friend and Engelbart's ideas.

A Computer History Museum interview in which John Markoff of the New York Times talks with Douglas Engelbart about his life and research. It covers the influences and struggles behind his work on the mouse, hypertext and collaborative computing, and his aim of helping humanity tackle complex problems.

Archival footage of Boeing test pilot Tex Johnston barrel-rolling the 707 prototype, the Dash-80, over Lake Washington in 1955 during a demonstration.

Rap Genius founders appear at TechCrunch Disrupt NY 2013 for a joke-filled interview announcing News Genius, with little detail about what it is.

The final part of Dan Gelbart's 18-part Building Prototypes series, focused on mechanical design. It opens with a demonstration of stiffness and covers practical design principles for prototype machines.

Dr. Russell Barkley explains how different ADHD medications work and how they differ from one another, in a short clip.

Defense analyst H I Sutton argues that a new type of Chinese landing barge can only be explained by planning for an amphibious assault, in particular on Taiwan.

A Talks at Google visit by Douglas Engelbart, inventor of the mouse. He presents his lifelong aim of augmenting collective human intelligence, followed by a Q&A.

Dr. Russell Barkley gives a nearly three-hour lecture of essential ideas about ADHD for parents, covering what ADHD is, its effects on executive function, motivation and emotion, and how it affects children.

The full recording of Douglas Engelbart's 1968 demonstration, which introduced the mouse, hypertext, video conferencing, word processing, and real-time collaborative editing. It runs about 100 minutes.

A short excerpt from Dr Russell Barkley's 2012 Burnett Lecture on ADHD, focused on treatment. He argues ADHD is a disorder of executive function and self-regulation, and that environments should be designed to compensate.

A recording of physicist Albert Bartlett's well-known lecture on the arithmetic of exponential growth, applied to population and energy use. He argues that steady percentage growth in a finite world cannot continue and sneaks up suddenly.

Sacha Baron Cohen's speech accepting the ADL International Leadership Award, in which he criticizes social media companies for amplifying hate and propaganda. He argues that freedom of speech is not freedom of reach.

Russell Barkley gives the keynote at UNC's 2012 Burnett Seminar on ADHD. He presents it as an executive function disorder and discusses its effects and how to help.

A DEF CON 29 talk by Richard Henderson about encoding the EICAR antivirus test string into QR codes and barcodes and scanning them at real systems. Many systems that do not expect such input misbehave or collapse, including a parking garage system.

Bryan Cantrill's Velocity NYC 2015 talk argues for running containers directly on bare metal rather than layering them on virtual machines. He covers the history of containers and how SmartOS runs Linux workloads via syscall emulation.

Dr. Russell Barkley lectures on the neuroanatomy of ADHD and how to treat it, linking executive function and working memory to the disorder. It is part 3 of a CADDAC series.

Psychologist Philip Zimbardo explains how ordinary people can be pushed into doing evil by situations and systems. He draws on the Stanford prison experiment and unseen Abu Ghraib photos, then turns to the opposite case: how ordinary people can become heroes.

Physicist Jacob Barandes discusses his view that quantum mechanics can be formulated without wave functions, using a stochastic, probabilistic approach. The long interview covers measurement, the foundations of quantum theory and the history of the field.

The first episode of Nathan Barley, Chris Morris and Charlie Brooker's British sitcom satirizing hip media and startup scenesters in mid-2000s Shoreditch. Cynical writer Dan Ashcroft finds himself idolized by the moronic Nathan Barley.

A Clojure/conj 2016 talk demoing Barliman, a prototype smart editor that does program synthesis. Given a partial program and tests, it completes the program using a relational interpreter written in miniKanren.

Psychology professor Lisa Feldman Barrett presents her research on what emotions are, arguing that the brain constructs them rather than reading them off faces. She says this means we have more control over our emotions than we think.

Elizabeth Gilbert, author of Eat, Pray, Love, reflects on the pressure placed on artists to be geniuses. She proposes the older idea that creative people have a genius that visits them rather than being one.

Jordan Hubbard, FreeBSD co-founder, discusses where FreeBSD might go over the next decade at MeetBSD California 2014. He draws on his Apple Unix experience, including bringing launchd-style init ideas to FreeBSD.

Veritasium builds a QR code by hand to explain how it works. It covers the history of Morse code and barcodes, how QR codes encode data, why damaged codes still scan, and how safe they are.

A 2018 local news report showing people using drugs openly in the corridors of San Francisco's Civic Center BART station.

Highlights from Doug Engelbart's December 1968 demonstration at SRI, the first public showing of the mouse, hypertext, windows, real-time collaborative editing and shared-screen teleconferencing. This is a roughly six-minute condensed version of the full demo.

A short Vox video on Barcelona's superblocks, an urban design approach that closes interior streets to through traffic to return space to pedestrians.

Barack Obama, then a presidential candidate, presents his innovation agenda at Google and takes questions from Eric Schmidt and employees in November 2007.

An animated Gabbard diagram of objects in low Earth orbit from 1959 to 2021, showing altitude over time. It highlights major debris-generating events and how low-altitude debris decays out of orbit.

A Guardian clip of Barack Obama at the Obama Foundation summit saying that call-out culture is not activism and that casting stones will not bring change.

A clip from the 1985 comedy Real Genius in which a laser ignites a giant container of popcorn inside a house.

First of an 18-part lecture series by engineer Dan Gelbart on building prototypes. The series covers practical mechanical design and fabrication of precision machines.

Part 10 of Dan Gelbart's prototype-building lecture series, covering flexures: flexible joints that give precise, frictionless motion. It shows how a cheap piece of aluminum can become a nanometer-accurate mechanism.

Dan Gelbart shows his home-built air bearing CNC lathe and grinder, which reaches about 1 micron accuracy. He demonstrates the machine and its parts.

A 2012 parody dub that splices clips of Barack Obama speaking into a performance of Carly Rae Jepsen's 'Call Me Maybe'. It is a short comedic mashup built entirely from re-ordered snippets of his real speech.

A former Microsoft SDET with 15 years on Windows gives his view on why Windows 10 updates keep shipping with bugs. He points to changes in how the company tests its software.

The first lecture of David Silver's reinforcement learning course, introducing the field and its basic concepts. The course follows the Sutton and Barto textbook.