delay line memory

Cliff Stoll shows and explains his two Friden EC-132 electronic calculators for Numberphile. The video covers how these early machines worked, including their unusual acoustic delay line memory.

The first chapter of 3Blue1Brown's Essence of Linear Algebra series, introducing vectors with animated geometric visuals. It begins a series that builds intuition for linear algebra from the basics.

Freya Holmer's 74-minute video essay on splines, covering Bezier curves, B-splines, derivatives and the different levels of continuity (C0, C1, C2), built with custom animation tools. She notes she did not cover non-uniform splines.

A five-minute preview of 3Blue1Brown's Essence of Linear Algebra series, which uses animation to build geometric intuition for topics from a standard linear algebra course.

Wendover Productions explains how airlines make money from different cabin classes and why premium seats matter so much to profits. It also touches on how this shaped decisions such as the decline of supersonic travel.

A 36-minute animated deep dive from Branch Education into how DRAM works. It shows how memory connects to the CPU and how billions of bits are stored in nanoscale capacitor cells. It also covers why DRAM sits between SSDs and the processor.

A Wendover Productions explainer arguing that major airlines make much of their profit from loyalty programs and co-branded credit cards rather than flying. It frames airlines as quasi-banks that sell points in bulk, using United's pandemic-era loan as a hook.

Kurzgesagt explains why humans feel loneliness, its evolutionary role, and how modern life can turn it into a harmful downward spiral. It cites research and offers ideas on what to do about it.

Simon Peyton Jones presents linear types for Haskell, showing how practical linearity can fit into a higher-order polymorphic language. The talk covers motivations such as resource handling and relates the ideas to Rust.

CuriousMarc's Apollo Guidance Computer restoration series looks at core rope memory, the ROM that held the Moon landing programs. Mike Stewart builds a custom reader to recover lost AGC programs.

A Wendover Productions explainer on how budget airlines can sell tickets for under 10 euros. It covers the costs airlines face and how low-cost carriers structure their business.

Emery Berger's CppCon 2019 talk introducing Mesh, a drop-in malloc replacement that compacts memory in unmodified C and C++ programs. It tackles fragmentation by merging pages without changing pointers.

A documentary on Clive Wearing, a renowned musician whose brain was damaged by a virus in 1985, leaving him with a memory spanning only about seven seconds. It follows his life and condition.

Chandler Carruth's CppNow 2023 talk describes Carbon as a successor language to C++ rather than a superset, focusing on C++ interop and a path to memory safety in large existing codebases. It explains why Carbon takes a different approach from Cpp2 and Circle.

NonCompete's video examines the alt-right pipeline and a 'pyramid of violence' running from implicit bias through edgy racist humor to real violence. It uses the PewDiePie controversy and Charlottesville as case studies.

Helmet-camera footage of linemen installing a spacer on an energized 765,000 volt transmission line, working from a helicopter. The crew bonds on and off the live wire as part of the job.

A data-visualization style timeline of the early coronavirus outbreak events by YouTuber Nathan Rich. It lays out dates of key developments in China.

A 10-minute 3Blue1Brown chapter explaining the determinant as the factor by which a linear transformation scales area or volume. It builds the idea geometrically with animations before any formulas.

In an Ars Technica War Stories episode, Prince of Persia creator Jordan Mechner describes how he made the game on the Apple II, fighting hardware memory limits and the platform's decline. It covers the rotoscoped animation and the engineering tricks involved.

A one-hour documentary on XBAND, the 1994 modem network for the Super Nintendo and Sega Genesis. It covers matchmaking, chat, email, leaderboards and how games were patched at runtime to cope with lag.

A Zig SHOWTIME talk by Benjamin Feng on what a memory allocator is, followed by an interview. It covers allocation strategies and different allocator types in Zig.

A ten-minute clip from Jonathan Blow's talk on preventing the collapse of civilization, arguing that software quality and the knowledge to build it are in decline.

Grandmaster David Howell tests Magnus Carlsen by showing him chess positions and asking which famous games they come from. Carlsen recognizes many almost instantly.

A Linear engineer talks about scaling the company's sync engine, which keeps client data local and synchronized. It follows an earlier talk on the same system.

A FRONTLINE documentary on whether efforts to fix plastic pollution made it worse. It looks at the battle over plastics and recycling and how little plastic is actually recycled.

The full, long-form FRONTLINE interview with Steve Bannon, recorded in 2019 for the documentary series on the Obama-to-Trump era. He discusses his populist politics, the Trump campaign and White House, and his view of the establishment.

A full FRONTLINE interview with journalist Julia Ioffe on Putin and alleged Russian interference in the 2016 US election.

The first lecture of Gilbert Strang's MIT 18.06 Linear Algebra course, covering the geometry of linear equations. It opens a full 35-lecture university course.

3Blue1Brown's chapter on eigenvectors and eigenvalues in the Essence of Linear Algebra series. It builds a visual intuition for what they mean, why an eigenbasis is useful, and ends with a puzzle.

Real Engineering explains how Zipline built a drone delivery network for medical supplies in Rwanda. It covers the fixed-wing drones, catapult launch, parachute drop and the logistics behind the service.

A 2018 GDC panel where Raph Koster, Starr Long, Richard Garriott and Rich Vogel look back on what went right and wrong building and running Ultima Online. They share candid stories from the early days, including player behavior and server architecture.

A hands-on comparison of how jet fuel, diesel, heating oil, kerosene, avgas and gasoline burn and what color they are. It shows that gasoline ignites more easily than jet fuel.

A short Frank Zappa interview clip on the decline of the music business, contrasting old cigar-chomping executives with younger industry people.

Chalmers Johnson, author of Blowback and Sorrows of Empire, lectures on parallels between the decline of the Roman and Soviet empires and the United States. He argues the US shows the same symptoms: overextension, corruption, and an inability to reform.

Kate Gregory's CppCon 2017 talk picks ten highlights from the C++ Core Guidelines and shows examples and benefits for each. It is aimed at C++ developers of any experience level who have not read the full guidelines.

A short CNBC report on Zipline, which has delivered medical supplies by drone in Rwanda since 2016 and is preparing to start in the U.S.

Boeing rehearses its 2015 Paris Air Show flying display of the Vietnam Airlines 787-9 Dreamliner, including a very steep takeoff and tight turns.

Footage of Richard Box's art installation in which fluorescent tubes light up in the ground under high voltage power lines, showing the electric fields they produce.

The first part of Innuendo Studios' six-part video essay series on the online hostility around Anita Sarkeesian and GamerGate. It lays out the history and the motivations of the people involved.

Herb Sutter's deep C++ and Beyond 2012 talk on atomics and the C++ memory model, covering why programmers chasing top performance need to understand hardware ordering. This is part one of two.