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Stanford professor Robert Sapolsky lectures on depression as a real biological disease. He covers its biological and psychological causes, how it differs from ordinary sadness, and ideas such as learned helplessness. He ties these together into one account.

Shriram Krishnamurthi's PWLConf 2019 talk on the formal notion of expressive power of programming languages, based on Felleisen's paper. It explains how to tell when a feature adds power by whether emulating it requires global rewriting.

Clinical psychologist Stephen Ilardi argues depression is a disease of modern civilization and presents a lifestyle-based program to treat it without drugs. Topics include exercise, sunlight, omega-3s and social connection.

Corridor Crew VFX artists react to the visual effects of the 2021 Dune and compare them with David Lynch's 1984 version. They discuss which effects were practical and which were CGI.

John Oliver's Last Week Tonight segment examines prediction markets such as Polymarket: the legal and moral questions, weak regulation, and insider trading and manipulation concerns.

Matt Mullenweg joins ThePrimeagen's Twitch stream to discuss the WordPress and WP Engine dispute, including trademark use and contributions.

A US Air Force film on the Heavy Press Program, which built some of the world's largest metal forging and extrusion presses for aircraft, starting from German presses taken after WWII.

Rare footage of Steve Jobs giving a 22 minute presentation about Apple in 1980, donated to the Computer History Museum. In it he explains the company name and the bicycle-for-the-mind idea for computers.

A DConf 2019 talk by Robert Schadek arguing that spreadsheets are the world's dominant programming language and that D can be used to replace them. It looks at spreadsheet quirks and then at techniques for moving away from them.

Machine Thinking traces where mechanical precision comes from, from flat surface plates and the three-plate method up through lathes and early measuring tools. It is the first in a series on recreating the first micrometer.

Sam Harris's talk at the 2012 Global Atheist Convention on the secular attitude toward death and living in the present moment, with a guided meditation element.

Hana Dusikova's CppCon 2018 talk presenting a C++ library that builds regular expressions from compile-time strings, using a C++20 feature. It avoids runtime parsing cost and covers implementation details, problems she hit, and benchmarks.

Bret Victor's closing keynote at UIST and SPLASH 2014 argues that our tools for thinking ignore most of human sensory and motor capability. He sketches representations that engage more modalities beyond screens and keyboards.

Felienne Hermans argues that Excel is the world's most popular programming language and shows how spreadsheets work as a pure functional language. She implements a few mathematical problems in spreadsheet formulas to illustrate why they are so powerful and approachable.

Sean Carroll gives a Royal Institution talk tracing the history of quantum mechanics from Einstein and Bohr to today. He covers the Copenhagen interpretation and the many worlds interpretation.

Jason Scott of Archive Team describes how a loose band of volunteers rushes to copy sites like Geocities, Friendster and Yahoo Video before their owners delete them. The talk covers the tactics they use and the argument that this data is history worth saving.

Mike Arrington of TechCrunch speaks at Startup School 2008 about how to get press coverage for a startup and how to respond to it.

Nada Amin's Strange Loop talk on programming languages that build on themselves, centered on towers of interpreters and nestable interpretation in Scheme. She shows how interpreters can be stacked and collapsed.

A Jimquisition episode examining the human cost of predatory videogame monetization, focusing on loot boxes and microtransactions. It features testimonials from people harmed by gambling-style game mechanics.

Sal Khan interviews Elon Musk in a 2013 Khan Academy entrepreneurship series. Musk discusses PayPal, rocket efficiency and reusability, and how he approaches education and learning.

A Technology Connections video weighing LED streetlights against high pressure sodium lamps, covering efficiency, color, cost and light pollution. It is a follow-up to his earlier explanation of why street lights are orange.

A Veritasium video on how a feud between Russian mathematicians led to Markov chains and the modern prediction algorithms built on them. It covers the history and the math behind them.

Ilya Sutskever gives a Simons Institute talk on why neural networks generalize, framing learning as finding short descriptions, like compression. It was part of the Large Language Models and Transformers program.

FOSDEM 2020 talk from Collabora on pressure-vessel, an experimental mechanism that puts Steam games in containers on Linux. It covers using namespaces to give games their own runtime library stack independent of the host.

Steve Jobs presents Apple's proposal for a new campus to the Cupertino City Council in June 2011, answering council members' questions about the plan.

The full 1965 John Coltrane album A Love Supreme, in four parts: Acknowledgement, Resolution, Pursuance and Psalm. It features Coltrane's quartet with McCoy Tyner, Jimmy Garrison and Elvin Jones.

Greg Baugues tells his story of living with bipolar II and ADHD as a developer at a Ruby conference. He urges openness about mental illness and explains how to get help and support colleagues.

Zach Tellman's Clojure West talk covers the basics of queueing theory and its practical use in systems, including backpressure, how queues break down under load, and pitfalls of naive core.async use.

Matt Might's Curry On talk on ending errors in code, both software and the human genome. He covers conservative approximation of the halting problem via static analysis and a computational approach to precision medicine.

A /noclip documentary on GOG, covering how it finds and re-releases classic games and pushes DRM-free releases. It also touches on the company's origins in Poland.

Linus Tech Tips benchmarks the prebuilt PCs from its second Secret Shopper series, shares final thoughts on each integrator and picks a winner. Dell ranked last.

Pannenkoek2012's commentated tool-assisted Super Mario 64 run collecting the Watch for Rolling Rocks star with half an A press, using parallel universes and QPU movement. The video is marked outdated in favor of a newer version.

Paul Graham's keynote at PyCon 2012, in which he talks about startup ideas and what kinds of companies are likely to matter in the future. He discusses ideas such as a better email client and a search engine for hackers, and argues for looking back at the present from the future.

Dan Geer's Black Hat 2014 keynote argues that cybersecurity is a matter of power and policy rather than wishful thinking. He covers surveillance, the vulnerability market, software liability and privacy as the capacity to misrepresent yourself.

AvE tears down the Juicero cold-press juicer, examining its heavily machined parts, electronics and the pricey juice packs. He pokes fun at the product and venture-funded culture along the way.

A reupload of Joel Spolsky's talk teaching spreadsheet users the Excel features they are probably missing, such as keyboard navigation, named ranges, tables and lookups. The original disappeared and this copy comes from the Wayback Machine.

Veritasium traces analog computers from the Antikythera mechanism and Kelvin's tide-predicting machines to fire control and modern analog approaches. It explains how these machines computed continuously rather than digitally.

The preface to Herb Gross's MIT OpenCourseWare 'Calculus Revisited: Single Variable Calculus', an older black-and-white lecture series. It introduces his approach to teaching calculus from the basics.

Ron Pressler's Curry On 2015 talk arguing that imperative languages should not be polluted with pure functional concepts like monads. He favors simple blocking code over non-blocking styles.

Sandy Pentland of MIT presents his book on social physics, which uses big-data studies of how people interact to explain how ideas spread. He describes findings on collective intelligence and social influence.