rotating reference frame

Dave Plummer tours the IBM z16 mainframe from design through factory assembly, test lab, accelerators and water cooling. He explains why mainframes still exist and what makes them reliable.

Connor Krukosky, an 18-year-old college student and vintage computer collector, tells how he bought an IBM z890 mainframe and got it running at home. The talk was given at SHARE in San Antonio in March 2016.

Linus Sebastian of Linus Tech Tips discloses that he has invested in Framework, the modular repairable laptop maker. He explains his reasoning and the commitments he is making to viewers about future coverage.

Linus Tech Tips covers Framework's newly announced devices, including its first desktop, with comments from Framework's CEO about the company's design decisions.

Tom Scott visits a rotating house near San Diego and explains how electricity, gas and water keep working on the rotating part. It includes a 3D render of the utility connection system.

Matt Parker explains the history behind NTSC television running at 29.97 frames per second rather than 30, tracing it to the backward-compatible addition of color. He walks through the arithmetic behind the odd ratio.

Nathan Kutz presents the spatio-temporal dynamics of rotating detonation rocket engines, including combustion fronts that behave like solitons. He shows a bifurcation analysis of a multiscale model that captures the main features.

Scott Manley explains rotating detonation engines, how they differ from pulsed detonation engines, and why thermodynamics predicts they beat traditional jet and rocket engines.

Linus Tech Tips reviews the first Framework Laptop, a fully repairable and upgradeable machine. The reviewer expected a flimsy chunky device and was happily surprised.

Dylan Beattie's parody of 'We Didn't Start the Fire' with lyrics made entirely of real software framework names, ending in the chorus about building yet another framework.

HDTVTest reviews the Apple Pro Display XDR using measurements and a side-by-side comparison with a Sony BVM-HX310 dual-layer LCD reference monitor. It examines how well the display handles HDR against a professional reference.

Tom Scott tours the rotating room artificial gravity facility at Brandeis University's Graybiel lab. It shows how humans cope with rotation-based gravity and the odd effects such as Coriolis forces.

Jake Archibald's JSConf.Asia 2018 talk "In the Loop" explains the browser event loop, covering tasks, microtasks, requestAnimationFrame, and how rendering interleaves with JavaScript. It uses visual walkthroughs to show why code runs in surprising orders and why setTimeout fixes are unreliable.

A three-minute clip of Jeff Bezos describing his Regret Minimization Framework: imagining yourself at 80 to decide whether to leave a Wall Street job to start Amazon.

A PBS Space Time episode hosted by Gabe Perez-Giz on the nature of spacetime and whether space and time are fundamental. It builds up reference frames and causality in a short, dense format.

Lex Fridman interviews Jeff Hawkins, founder of Numenta and author of On Intelligence, about the Thousand Brains Theory and reverse-engineering the neocortex. They also cover Hierarchical Temporal Memory and brain-inspired AI architectures.

CuriousMarc runs the program 'Edith' on a 1959 IBM 1401 mainframe at the Computer History Museum. The program prints a famous line-printer image on the vintage machine. The video is part retro-computing demo and part joke.

Scott Manley surveys the research on whether people can adapt to rotating artificial gravity, from early Soviet centrifuge tests to modern studies. He concludes it is an engineering problem and discusses Coriolis effects and station radius.

A hobbyist build-and-experiment video on rotating detonation engines (RDEs), where a continuous detonation wave spins around an annular chamber. The creator 3D prints parts and tests a small engine, while being candid about uncertainty over whether a true rotating wave was achieved.

Coast Guard footage of a Cirrus SR-22 pilot who ran out of fuel over the Pacific and deployed the airframe parachute, then escaped into a life raft. It shows the Cirrus Airframe Parachute System working in a real emergency.

Tony Hoare's InfoQ talk in which he describes introducing null references in ALGOL W in 1965 and calls it his billion-dollar mistake. He discusses language designer responsibility and run-time checks.

Animator Noodle explains why frame interpolation does not make animation better, covering timing, easing, smear frames and using the wrong tool for the job. A pinned correction says the video is partly outdated given later AI developments.

Yehuda Katz's Railsberry 2012 talk on why Rails is hard to learn and use. He explains that the framework's many features reflect real complexity in web applications that newcomers do not yet see.

MIT Media Lab shows an imaging system capturing a trillion frames per second, fast enough to film light pulses travelling through objects in slow motion.

The original 2012 screencast introducing Meteor, a JavaScript framework for building web apps quickly. It demonstrates realtime updates, latency compensation and low boilerplate.

A 2018 GDC talk by NetherRealm's Michael Stallone on the engine changes, optimizations and tooling needed to roll back and re-simulate up to 8 frames in 16 ms in Mortal Kombat and Injustice 2. It is a deep dive into deterministic rollback netcode.

Herb Sutter's CppCon 2016 talk on lifetime safety in C++, aiming for code free of leaks and dangling pointers by default. It covers smart pointers, ownership, reference counting pitfalls and deferred reclamation resembling garbage collection.

Veritasium visits NIST to explain Standard Reference Materials, the carefully characterized items such as peanut butter used to calibrate instruments and keep measurements consistent. It covers why they exist and why they are expensive.

The first episode of Clickspring's series building a John Wilding skeleton clock from raw stock in a home machine shop. It covers making the frames along with the tools needed for the job.

The first lesson of MangoJelly's FreeCAD 0.20 beginner course, covering setup, preferences and navigation. The series teaches fundamentals through complete workflows such as sketching, Part Design and STL export.

Rik Arends presents Makepad, a Rust UI framework, at RustNL 2023. The talk covers designing modern, GPU-fast UIs with Rust and includes live-coded demos of an IDE and a synthesizer.

A hobbyist builds a prototype full-frame CCD camera from scratch, with open-source design files and a custom PCB. The video shows the first, still rough prototype.

A Fully Charged episode on Electroflight, an early-stage project to build a fully electric racing plane that can exceed 300 mph. It features two motors driving contra-rotating propellers.

Ramesh Raskar presents femto-photography, a technique that captures a trillion frames per second, fast enough to show light itself moving through a scene. He discusses possible uses such as cameras that see around corners or inside the body.

A how-to video on datamoshing, the glitch-art technique of removing keyframes so that motion data smears across video. It walks through the tools needed, such as ffmpegx and Avidemux, though the author notes parts are outdated.

Dave Jones of EEVblog tears down a 1991 IBM 9121 thermal conduction module from a System/390 mainframe, a 63-layer ceramic hybrid module with 2772 pins worth about $250,000, and demonstrates a BGA desoldering technique.

Eric Weinstein interviews economist Timur Kuran on The Portal about preference falsification and how societies where people hide their real views can tip into revolutions.

A scene from John Carpenter's 1981 film Escape from New York in which Snake Plissken glides in over Manhattan between the Twin Towers. It features the film's wireframe green laser-grid visuals built from miniatures.

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.

Robert C. Martin's Ruby Midwest 2011 keynote argues that software architecture should express the application's intent rather than its framework. He covers separating entities, interactors and boundaries so the web, database and framework are details.