single answer

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.

A Google Developers Q&A in which Blink engineering leads and the PM answer the community's top questions about the new Blink rendering engine forked from WebKit.

A snarky, comedic video essay from Climate Town, with a guest appearance by Not Just Bikes, arguing that American suburban sprawl and single-family zoning are financially and environmentally unsustainable. It covers how zoning rules shape housing and what viewers can do locally, such as attending zoning meetings.

Rachel Potvin describes the scale of Google's codebase and its custom monolithic source repository. She explains the reasons for the monorepo model, the tooling that makes it workable, and its tradeoffs.

Veritasium explains how jet engines run hotter than their components' melting points, using cooling air and single-crystal superalloy turbine blades. It covers how the blades are grown as aligned crystals.

A video essay arguing that the next major real-time strategy game will fail unless it gets the fundamentals right. It covers the playerbase and demographics, what older RTS games did well, and the roles of the engine, spectacle, development tools and player-generated content.

Peter Hutterer's linux.conf.au 2020 talk on creating libinput, the unified userspace input library, and the difficulties of handling the many quirks of input devices.

Joe Scott takes a serious look at space sunshades as a climate fix, asking how big they would need to be, what they would cost and whether they would work. He draws on Roger Angel's paper and launch options.

Linus Tech Tips tests whether higher frame rates and refresh rates improve gaming performance, using Shroud and other players on aim and reaction tests at 60, 144 and 240Hz. The video is sponsored by Nvidia.

Rick Houlihan's AWS re:Invent 2018 deep dive on advanced DynamoDB design patterns. It covers index overloading, GSI sharding, composite keys, graph processing and transactions.

Vsauce asks how many holes a human has and uses topology to show the answer depends on what counts as a hole, with animations and expert input.

An AWS re:Invent 2019 session for advanced DynamoDB users on design patterns used by large customers, including Amazon retail. It covers GSI sharding, index overloading, graph processing, composite keys and transactional workflows.

A Google I/O 2014 fireside chat in which members of the Android platform team answer questions about why the platform works the way it does. It is moderated by developer advocate Reto Meier.

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.

Armin Ronacher, creator of Flask, explains how CPython's internals and C API leak into the language's semantics. Using examples like the complexity of the add operation, he shows why Python is hard to optimize or reimplement.

Philip Roberts explains the JavaScript event loop, call stack, callbacks and asynchronous behavior with live visualizations using a tool he built. It demystifies terms like non-blocking and single-threaded.

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.

Richard Feldman argues that functional programming is not the norm largely because of historical accidents, such as C++ popularity, platform exclusivity, marketing spend and network effects, rather than merit. He traces the history of how languages become mainstream.

Daniel Stone, a longtime X and Wayland developer, explains at linux.conf.au 2013 why X11's design became untenable and what motivated Wayland. The talk walks through X's history and accumulated cruft.

Gary Bernhardt's RubyConf 2012 talk on testing in isolation without mocking everything. It goes through behavior versus data, mutation versus immutability, and how a functional core with an imperative shell yields natural isolation and parallelism.

Howard Abrams demonstrates, in an EmacsConf 2015 talk, how he uses org-mode's Babel and Tramp to configure and operate remote servers from a single document. Code blocks, their results and the explanatory text all live together.

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.

Chris Ford builds up from a single sine wave through layered abstractions to a Bach canon, using Clojure and the Overtone audio environment. The talk shows music theory as a natural fit for functional programming.

Author JL Collins discusses his book The Simple Path to Wealth at Google, covering avoiding debt, simple index fund investing, and retirement accounts like 401(k)s and IRAs. It is an hour-long interview in plain language.

Alan Kay's Stanford Startup School lecture covers his career at Xerox PARC and how to think about inventing the future. He goes through what came out of PARC and why companies fail to capitalize on such ideas.

Michael Hendricks of PriceCharting shares tricks and pain points from running Prolog in production for 18 months at Strange Loop. It argues Prolog is a productive modern language beyond logic puzzles, and includes a demo of changing code mid-execution.

AlphaPhoenix uses a custom high-speed measurement setup to watch voltage waves travel down wires and split at a fork. It answers how electricity knows where to go and how quickly that process happens.

Freya Holmer's Dutch Game Day 2023 talk asking why vectors can't be multiplied, building from complex numbers to a single axiom and arriving at geometric algebra, quaternions and multivectors.

Ian Hubert's Blender Conference talk on world building in Blender, covering photogrammetry, camera projection and assembling complex environments from simple shapes at great speed.

Steven Wittens' JSConf US 2013 talk on drawing with WebGL, using animated visuals to walk through vectors, matrices and the rendering pipeline. Despite the title, it works as a visual primer on the linear algebra behind 3D graphics.

Law professor James Duane explains why you should not talk to the police even if you are innocent, drawing on case histories of wrongful convictions. It is a short version of the argument in his book on the right to remain silent.

X.Org developer Daniel Stone explains the history and technical limits of the X Window System and why Wayland was created, debunking myths from forum comments. He covers topics such as network transparency and blocking calls.

Coffeezilla gives a comprehensive history of Tether, the stablecoin issued by a company controlled by the owners of Bitfinex. He lays out accusations that it is not fully backed.

Andrew Tanenbaum's FOSDEM 2010 talk on MINIX 3, a microkernel OS built for high reliability and security. It shows how the system detects and recovers from device driver crashes, and addresses microkernel performance concerns.

David Nolen presents Om Next, the redesign of the ClojureScript Om library, drawing on Relay, Netflix's JSONGraph and Datomic. He covers the tradeoffs in handling the client-server boundary over immutable data.

David Nolen explains how ClojureScript is used at Vouch.io to build mobile and web software with a single language and REPL-driven workflow. The talk includes a live coding demo of React Native development.

Konrad Malawski's Strange Loop 2023 talk shows how the FoundationDB team adopted Swift incrementally in a C++ codebase. It covers Swift's C++ interoperability, which let them move single functions or entire types over one at a time.

Armor expert The Chieftain explains why tanks still have a place on the modern battlefield despite drones and guided weapons. He responds to the 'tank is dead' debate, noting that tanks have been declared dead repeatedly since 1919.

A CppCon 2014 talk from Microsoft engineers on using portable single-source C++ to deliver Office across iOS, Android, Windows and Mac. It covers architectures, techniques and lessons from real cross-platform projects.

A roughly 40-minute Mahalo mentor interview with Elon Musk, covering his background from Zip2 and PayPal to SpaceX, Tesla and SolarCity, along with advice for entrepreneurs.