source control

Evan Czaplicki, creator of Elm, discusses the hard parts of running an open source project: online community conflict, why its patterns arise, and a cultural history of open source. He offers ideas for more civil, productive communication.

The opening lecture of Steve Brunton's Control Bootcamp, covering the kinds of control and why closed-loop feedback matters. It starts a series that follows the control chapter of the Brunton and Kutz data-driven science book.

A clip from Jim Jefferies' Netflix special BARE in which he comedically dissects American gun culture and gun control arguments.

Dave Jones of EEVblog looks at a sub-3-cent microcontroller from Padauk and other obscure Chinese manufacturers. He shows how to find such parts and where to buy them in stock.

Bryan Cantrill's talk on corporate open source anti-patterns, first given at FISL 2012 and again at the Liferay Symposium. He lays out the mistakes companies make when open sourcing code, such as announcing future open sourcing, and discusses licenses.

A dotJS 2012 conference talk by Fat (of Twitter Bootstrap fame) on what open source really means and why maintainers feel guilty about it. It covers the obligations, expectations and burnout that come with releasing popular open source software, delivered with humor.

A Daily Show segment in which John Oliver examines the argument that gun control does not work, using Australia's experience after the Senate rejected the Manchin-Toomey amendment. It is a comedic, man-on-the-street style piece.

Real air traffic control audio of the Air Astana flight whose flight controls had been wired in reverse by a maintenance error. The pilots struggle to keep control while ATC tries to help.

Ben Eater writes a program in a made-up machine language and walks through the control logic an 8-bit breadboard CPU needs to execute it. It is part of his build-an-8-bit-computer series.

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.

Andreas Antonopoulos argues that money has a fourth function beyond store of value, medium of exchange and unit of account, which is as a system of control. He covers the history of money and why it does not flow freely.

An American Airlines training video by Captain Warren VanderBurgh on control malfunctions and flight instrument anomalies. It discusses real incidents such as runaway trim and instrument failures and how crews should respond.

A 1953 US Navy training film explaining the basic mechanisms in mechanical fire control computers aboard ships. It shows how gears, differentials and cams solved mathematical problems in permanent mechanical form.

A 1953 US Navy training film on the basic mechanisms in fire control computers: shafts, gears, cams and differentials. It shows how these mechanical parts compute ship and target firing solutions.

David Heinemeier Hansson's opening keynote at RailsConf 2019 argues against the expectation of payment for open source work, drawing on his experience releasing Rails. It also includes lighter asides about the industry.

Elm creator Evan Czaplicki's 2018 Elm Europe talk on how to define success for an open source project and language community. It argues against judging projects by GitHub activity and touches on community expectations.

Part one of Sandia National Labs' first-person documentary on the use control, detonation safety and survivability of US nuclear weapons. It covers nuclear sharing in NATO and how control of use was separated from possession, leading to the always/never problem.

Paul Irish walks through the jQuery source code and shares ten lessons and interesting techniques from it, aimed at JavaScript developers who want to learn from a widely used library.

A one-minute demo of Safespaces, an open source 3D and VR desktop built on the Arcan project.

Valve's short video on building the Steam Controller on a heavily automated assembly line, which the company designed itself. It shows the robotic manufacturing process and US final assembly.

Terry Davis, author of TempleOS, demonstrates his SimStructure physics simulator and builds a PID controller using math from Numerical Recipes in C. The description notes PID controllers are used in everything from rockets to espresso machines.

A TU Vienna demo of a double inverted pendulum on a cart, using constrained feedforward and optimal feedback control for swing-up and point-to-point motion.

Marcin Jakubowski of Open Source Ecology presents his plan to open-source blueprints for 50 cheap, buildable farming tools, a "civilization starter kit". He argues that opening the means of production can enable self-sustaining lives.

Fully Charged gets an exclusive first drive of the Porsche Taycan, running 0-200 km/h launch control repeatedly. It covers the car's twin-motor 800-volt specs, claimed range and fast charging.

A TU Wien control-systems demo in which a triple pendulum on a cart is swung up and stabilized using constrained feedforward plus optimal feedback control. It accompanies a 2013 Automatica paper.

Ben Heck modifies a keyboard with magnets, Hall effect sensors and an Xbox controller so the WASD keys give analog control. He walks through the hardware build.

Dashcam footage of a Tesla Model S on adaptive cruise control hitting a stopped van, with the driver listing the safety systems that failed to react. The uploader still calls the Model S the best car in the world.

SQLite author Richard Hipp's talk at SouthEast LinuxFest criticizing Git's workflow and introducing Fossil as an alternative. He lists Git enhancements and argues for keeping history intact.

Donnie Berkholz of RedMonk gives a Monki Gras talk arguing that abusive, toxic contributors damage open source projects. He makes the case for removing them from communities.

Poul-Henning Kamp's FOSDEM 2014 talk presents a fictitious NSA program called ORCHESTRA, satirizing how intelligence agencies could influence startups and open source. It is a humorous but pointed look at surveillance and subverted software.

C J Silverio, former npm CTO, explains how the JavaScript package commons ended up in the hands of a for-profit company with no accountability. She discusses the cost of running a registry and what the community should do next.

Kevin Spacey, giving the MacTaggart Lecture at the Edinburgh Television Festival, urges TV channels to give viewers control. He points to Netflix's House of Cards release as evidence that audiences want to watch on their own terms.

A short research demo of Autonomous Intersection Management, a protocol in which self-driving cars reserve slots through an intersection instead of obeying signals or stop signs. It uses UT Austin's autonomous vehicle Marvin and a simulation to show cars crossing without stopping.

A HOPE XI talk on programming by voice with open source speech recognition. The speaker writes Linux systems code by voice and describes building custom voice grammars as an alternative to the keyboard for programmers with repetitive strain injuries.

TED curator Chris Anderson interviews Linus Torvalds about his personality, his engineer's pragmatism, and the creation of Linux and Git. Torvalds also discusses taste in code and why he open sourced Linux.

In a TEDGlobal talk, Raffaello D'Andrea demonstrates quadcopters that play catch, balance, learn and coordinate, using algorithms that treat them like athletes. It includes Kinect-controlled quads.

A short MIT Aerospace Controls Lab demo from 2011 of a variable pitch quadrotor flying.

Matthaeus Krenn presents a concept for car touchscreen UI where the screen controls only one thing at a time, designed to suit driving. A tablet prototype accompanies the short demo.

Poul-Henning Kamp's FOSDEM 2014 talk is a hypothetical account of how an intelligence agency such as the NSA would sabotage open source software, standards and online discussion. It covers Skype's history, OpenSSL and psyops against standards.

Nickolas Means tells the story of United Airlines Flight 232, which lost all flight control yet saved more than half its passengers. He draws lessons on teamwork, crew resource management and leadership for software teams.