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Numberphile's Dr James Grime explains the flaw in the Enigma machine, namely that a letter could never be encrypted to itself, and how that helped the Allies break the code. It touches on the Bombe and Alan Turing.

Dr Mike Pound of Computerphile shows how a modern laptop can crack Enigma, using a ciphertext-only attack based on an older paper. He compares it with the tooling in CrypTool.

Posy explores segmented displays, from the seven-segment display to alternative designs with fewer or more segments, with patents and history.

Adam Savage's Tested spends a week with the Magic Leap One developer kit. They dig into the hardware, display technology, user experience and launch apps.

Keiichi Matsuda's short concept film depicting a future where physical and virtual realities have merged and the city is saturated with media and advertising. It shows an augmented-reality-filled daily life as a provocative vision.

A one-minute demo of Word Lens, an iPhone app that translates printed text in real time by overlaying the translation on the camera view. It was later folded into Google Translate.

The first lecture of Stanford's CS107 Programming Paradigms, taught by Jerry Cain, giving an overview of the course. The course goes from C and assembly through C++, concurrency, Scheme and Python.

A Munk Debate on the proposition that AI research and development poses an existential threat. Yoshua Bengio and Max Tegmark argue for it, and Melanie Mitchell and Yann LeCun argue against.

Lex Fridman interviews MIT physicist Max Tegmark, co-founder of the Future of Life Institute, about the case for pausing giant AI experiments and the risks of advanced AI.

Julia Galef introduces the soldier versus scout metaphor for two approaches to thinking, using the Dreyfus Affair as the illustration. She argues the scout mindset leads to better judgment.

A four-minute Velocity 2011 talk in which Artur Bergman, then at Wikia, argues bluntly and with profanity that SSDs should replace spinning disks in servers.

A 'leaked' Microsoft video shown at its 2011 MGX conference that mocks Google's Gmail and Apps to promote Office 365. It attacks Google over email scanning and privacy.

A short Guardian clip of historian Rutger Bregman at Davos telling attendees that the real issue is tax avoidance, not philanthropy schemes.

Tom Scott explains why a vivid pink pigment by artist Stuart Semple cannot be fully shown on a screen, and touches on the dispute over exclusive rights to the blackest black pigment. It is a short explainer on color gamuts and pigment politics.

Daniel Barenboim conducts the Chicago Symphony Orchestra in Elgar's Nimrod from the Enigma Variations, opening the 1997 season at Carnegie Hall in tribute to Sir Georg Solti.

Google's early concept video for Project Glass, showing a wearer navigating a city with augmented-reality glasses that surface contextual information. It was made when the project was just starting.

Pranav Mistry demos SixthSense, a wearable device that projects information onto the physical world and lets people interact with data through gestures. He also shows a paper "laptop" and says he will open-source the software.

A surreal multimedia TEDxSarasota performance by Magic Leap founder Rony Abovitz, held on 12/12/12, mixing performance art with talk about imagination and creativity.

A short 2012 promotional-style video of Google Glass showing what the headset was meant to do. It shows features like map directions and overlays in the wearer's view.

A short Magic Leap promo clip of a whale breaching through a gym floor in mixed reality.

Google ATAP's short 2014 introduction to Project Tango, a mobile device effort to give phones and tablets a human-scale understanding of space and motion. It pitches ideas like indoor navigation and games that interact with your physical space.

Magic Leap's original 2015 concept video, made with Weta Workshop, showing what mixed reality could look like. It was posted to explain the company's goals to outsiders.

A compilation of the hacking scenes from the 1995 film Hackers, featuring flashy visualizations of computer intrusion.

Bobby Powers presents Mesh, a drop-in malloc replacement that eliminates memory fragmentation in unmodified C/C++ programs by compacting memory. The talk covers how it works despite C's fixed object addresses, and its benefits for programs like Redis.

A short demo of Code Bubbles, an IDE interface built around editable code fragments in bubbles instead of files. It was a research prototype for Java development.

Roaring Kitty's July 2020 analysis of GameStop, arguing a bullish deep-value case when the stock was about $4 and short interest exceeded 100%. It covers fundamentals, cash balance and technicals.

A re-upload of Rupert Sheldrake's TEDx talk The Science Delusion, which TED removed from its channel. He challenges what he calls the dogmas of modern science, including whether fundamental constants are constant.

Videogamedunkey's satirical guide to the fragmented streaming service landscape, ending in a joke about how to watch King Kong.

A CBC News clip in which GMO advocate Patrick Moore claims glyphosate, the key ingredient of Monsanto's Roundup, is safe to drink, then declines when offered a glass.

John Carmack's long QuakeCon 2012 keynote, a free-ranging talk covering software engineering, game platforms, game streaming, and his early head-mounted display and VR work.

Linus Tech Tips reviews the Looking Glass 8K holographic display, a glasses-free 3D monitor. The video shows the display in action and explains how it works.

A Reason TV segment, drawing on Alex Gladstein of the Human Rights Foundation, argues that Bitcoin works as an escape hatch for people living under authoritarian governments and inflating currencies.

John Oliver's Last Week Tonight segment on encryption and the Apple versus FBI dispute after San Bernardino. It explains the stakes of weakening encryption and ends with a fake Apple ad about iPhone vulnerabilities.

Apple's full WWDC 2023 keynote, covering the 15-inch MacBook Air, new Mac hardware, iOS, iPadOS, macOS, watchOS and the unveiling of Apple Vision Pro. It runs about two hours.

Bret Victor's DBX 2013 talk, delivered in the guise of a 1973 IBM engineer with an overhead projector. It surveys forgotten ideas from 1960s and early 70s computing and warns against assuming you know what you're doing.

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.

Dave Thomas, a co-author of the Agile Manifesto, argues at GOTO Amsterdam 2015 that Agile as a branded industry has lost its meaning. He says agile is an adjective, not a noun, and urges developers to reclaim agility.

Herb Sutter's CppCon 2019 talk on the split in the C++ community over exceptions and RTTI. He proposes making exceptions cheaper and more usable, including a zero-overhead, Result-like design.

Segment co-founder and CEO Peter Reinhardt recounts how his company found product-market fit, including how a product grew out of a small feature of another. It is a lecture from Stanford's Startup School course.

Hoeg Law's Virtual Legality walks through the 185-page Epic v. Apple decision, covering antitrust law, relevant markets, anti-steering and who actually won. It runs well over two hours and corrects common media misreadings.