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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.

Big Clive tears down the Dubai lamp, a Philips LED bulb developed with Dubai's ruler for maximum efficiency and long life. He examines its construction and circuitry, including underrun LEDs and many filament strips.

WIRED has UCLA professor Amit Sahai explain zero-knowledge proofs to a child, a teen, a college student, a grad student and an expert. Each round goes deeper into the cryptography and why it matters.

Investigative journalist Sharyl Attkisson explains how astroturf, fake grassroots campaigns funded by corporate or political interests, manipulates media messages. The TEDx talk is about 11 minutes.

A short excerpt from Werner Herzog's film Lo and Behold in which Ted Nelson lays out his ideas about hypertext and interconnection. Herzog concludes that Nelson is the only sane person in computing.

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.

Sal Khan of Khan Academy gives a TED talk on how AI could transform education, with a personal tutor for every student and a teaching assistant for every teacher. He demos Khanmigo, including features where the AI reasons before responding.

Salman Khan explains why he created Khan Academy, a structured library of video lessons with interactive exercises. He calls on teachers to flip the classroom, with lectures watched at home and homework done in class with teacher help.

A CBC satire sketch in which a self-proclaimed thought leader gives a talk full of empty gestures and nothing-saying inspiration. It parodies TED-style conference talks.

Dr. John McDougall argues at TEDxFremont that starch-based diets are what humans were born to eat, drawing on 40 years of nutrition and disease work.

The classic Fawlty Towers scene in which Basil Fawlty tries not to mention the war while serving German guests, ending in goose-stepping and mocking. It is a two-minute BBC comedy clip with John Cleese.

The ED-209 boardroom scene from the 1987 film RoboCop, where the enforcement droid malfunctions after giving a man 20 seconds to comply.

Sir Ken Robinson argues, with humor and stories such as that of choreographer Gillian Lynne, that education systems undermine creativity and should be changed. It is one of the most viewed TED talks.

A 32C3 talk dissecting Red Star OS, North Korea's state-built operating system. The speakers explain its internals and how it invades users' privacy, including file watermarking.

Russ Cox gives a 23-minute tour of the Acme text editor from Plan 9, showing its mouse-driven interface, executing commands from text, and its filesystem-based interface to other programs.

Not Just Bikes explains how North American speed limits are set and why posted limits matter far less than street design. It argues that drivers follow the road's cues, so safe speeds have to be built into the street.

An RSA Animate drawn from a Sir Ken Robinson talk arguing that current education systems are modeled on the industrial age. It discusses divergent thinking, standardization, and how schools disengage kids.

Brian Will makes the case for procedural programming over object-oriented programming, arguing that OOP's promised encapsulation and decoupling are largely illusory. He analyzes real code examples and the problems of tying data to behavior in classes.

Every Frame a Painting analyzes how Jackie Chan stages action comedy, with nine principles such as starting from a disadvantage, using the environment, clear shots, and keeping action and reaction in the same frame.

Veritasium explains why the one-way speed of light has never been measured, only the round-trip speed, since measuring it requires synchronized clocks that assume the answer. It explores the implications for relativity.

Veritasium tells the story of how Shuji Nakamura and others made the blue LED, long thought nearly impossible. It covers the materials challenge of gallium nitride and the persistence it took.

Inigo Quilez live-paints a mountain landscape using only math in a shader, building up from a basic polynomial noise surface through fractal terrain, lighting and atmosphere. The code runs in real time on Shadertoy so viewers can edit it as they follow along.

A three-minute Emacs Rocks screencast by Magnar Sveen demonstrating paredit, which edits Lisp code structurally as a tree of s-expressions rather than characters.

Technology Connections explains how LED traffic lights, which do not melt snow, drew complaints and were blamed for accidents. He uses it to illustrate the 'but sometimes' fallacy against new technology.

Vim creator Bram Moolenaar's 2007 Google Tech Talk on habits for efficient text editing. He explains how to spot repetition and inefficiency, then use editor features to fix it.

Episode 4 of Mike Maloney's Hidden Secrets of Money, explaining how currency is created through a chain of IOUs among the Treasury, banks and the Federal Reserve. It covers bonds, Fed checks, debt, taxes and fractional reserve lending, from a gold-and-silver advocate's viewpoint.

Eric Bier, a PARC research scientist, demonstrates the Cedar integrated programming environment and language, an evolution of Mesa from Xerox PARC. The demo shows the Tioga editor, garbage collection, and a full graphical workstation environment.

The first lecture in Martin Kleppmann's 8-lecture distributed systems series from the University of Cambridge undergraduate course. It introduces the subject, and accompanying lecture notes are available.

A 30-minute animated film explaining how money, banking and the Federal Reserve work and arguing that the American economy is heading for collapse. It is opinionated and has a strong point of view.

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.

A What I've Learned video arguing that industrial seed and vegetable oils have displaced saturated fats and harmed health. It covers the history of vegetable oils, the American Heart Association's role, and rising consumption.

An Onion Talks satire in which a young media professional pitches compost-powered cars, offering the idea itself and leaving all implementation to others.

Practical Engineering explains pumped storage hydropower, which makes up most grid-scale electricity storage. It covers how it works and why it fits only certain geographies.

Edwin Brady, creator of Idris, presents Idris 2 and demonstrates type-driven development, where the compiler assists by filling holes and suggesting implementations from types.

Stanford Health Care hosts Christopher Gardner and Robert Lustig on whether all calories are equal, with a focus on processed food and sugar. The talk questions the idea that calories in versus calories out fully explains weight and health.

Chandler Carruth's CppCon 2016 talk tries to defuse the heated debate over undefined behavior in C and C++. He explains from the compiler writer's perspective why UB exists and how it enables optimization.

An Every Frame a Painting video essay analysing how Edgar Wright creates visual comedy through framing, camera movement, editing, sound effects and music.

GDC 2019 session where Insomniac's David Santiago describes the procedural systems used to build Manhattan for Marvel's Spider-Man. It covers the open-world pipeline and how each system was designed to support iteration and dependencies.

Ophthalmologist Chris Knobbe argues that excess omega-6 seed oils are a unifying cause of chronic diseases of civilization such as diabetes and macular degeneration. He presents the case at Low Carb Denver 2020.

Technology Connections experiments with filtering white and colored LEDs to make holiday lights look less garish. He explains why narrowband LED strings look harsh compared with incandescent bulbs.