foam core

A short Campus Reform clip in which a teacher claims to have helped write Common Core with the aim of ending white privilege. It is a brief, politically charged advocacy-media piece.

Tantacrul gives a detailed UX and UI design review of the MuseScore 3 notation software and compares it with Sibelius. It examines visual appeal, navigation and notation quality.

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.

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.

Raw footage of nerdcore rapper Monzy performing outside Stanford's computer science building, shot for the documentary Nerdcore for Life. The set includes his song about the kill -9 Unix command.

Brian Lonsdorf explains why Underscore.js falls short as a functional programming library, then introduces currying, composition and point-free style in JavaScript. He argues for data-last argument ordering.

Cliff Click of Azul Systems gives a Google Tech Talk on running Java business applications on a machine with about a thousand cores. He covers hardware and software codesign, including garbage collection hardware and the JIT.

Tantacrul explains how he and engraver Simon Smith designed the free music notation font for MuseScore 3.6. It draws on the history of the SCORE notation application by Leland Smith.

Tantacrul walks through how the MuseScore 4 team was built and how design decisions were made for the overhaul of a huge legacy notation app. It covers playback and engraving quality improvements.

Simon Knowles, co-founder and CTO of Graphcore, talks about "intelligence processors", chips designed specifically for machine learning. The talk was given at the RAAIS 2017 summit and covers Graphcore's architecture.

CppCon 2014 talk by Jeff Preshing on how Ubisoft Montreal developed games for multicore hardware, before and after C++11 concurrency support. It goes into atomics and lock-free programming in practice.

Tech Ingredients shows how to build cheap, high-performance flat-panel speakers using audio exciters on sheet materials such as foam-core board. It explains how distributed-mode speakers work and walks through experiments to find good designs.

A showcase of the author's fifth-generation quad-core computer built entirely from Minecraft redstone, after two years of development. It features cache, a hardware stack, a GPU driving a 15x15 display, and serial I/O ports.

Linus Tech Tips' rant on Intel's X299 platform and Core i9 launch, criticizing how Intel segments the market by limiting PCIe lanes and charging for features like VROC keys.

MC Frontalot's nerdcore rap about the text adventure Zork, made for Jason Scott's Get Lamp documentary and featuring a cameo by Steve Meretzky. It was filmed over an evening in a basement.

MC Frontalot's nerdcore song "Secrets From The Future" (2007), about secrets not staying hidden once future technology can break today's encryption.

Rafal Dittwald's Clojure/north talk shows how to move from writing Java-style code in Clojure to thinking in data-driven, functional terms. He walks through a JavaScript example, refactoring imperative code step by step into a functional core.

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.

Douglas Hofstadter's Stanford Presidential Lecture argues that analogy is the core of cognition, illustrating how concepts, categorization and thought arise from analogy-making.

Chuck Moore, inventor of Forth, presents GreenArrays' 144-core asynchronous chip at Strange Loop 2013. He explains how idle cores draw almost no power and how tight code minimizes energy use.

Geekerwan reviews smartphone CPUs by power efficiency rather than benchmark scores, with test methodology and chapters on Qualcomm, Apple, Samsung and Google chips. It explains why high benchmark scores can coexist with heat and poor battery life.

An AWS re:Invent 2014 talk on the core distributed systems primitives behind AWS and Amazon.com, such as consensus, key-value stores and transactional logging. It describes how AWS builds large services from a few common building blocks.

David Ditzel of Esperanto Technologies presents their massively parallel, energy-efficient RISC-V processors at the 7th RISC-V Workshop in 2017. It covers the high-performance many-core design aimed at machine learning.

A Movieclips excerpt from the 1989 film Fat Man and Little Boy in which John Cusack's character assembles a bomb core and a criticality accident occurs. It is a film dramatization of a real Manhattan Project accident.

Stephen Malinowski performs Bach's Little Fugue in G minor on organ, accompanied by an animated graphical score. Pedalboard playing carries one of the melodic lines.

The first episode of CuriousMarc's series restoring a real Apollo Guidance Computer, led by AGC expert Mike Stewart. They set up a makeshift lab in a Houston hotel room to open up a rare machine owned by a private collector.

An Every Frame a Painting video essay asking why Marvel films lack memorable musical themes. It blames temp tracks and directors scoring to filler music.

Brandon Rhodes' PyOhio 2014 talk on applying the Clean Architecture in Python. He shows how this high-level design pattern fits Python's features and addresses maintainability problems in large applications.

Matt Adereth's Clojure/conj talk covers the history of keyboards and how he used Clojure generating OpenSCAD to design and build his custom Dactyl ergonomic keyboard, including 3D printing and laser-cut parts.

Simon Peyton Jones explains nested data parallelism and Data Parallel Haskell, an approach to exploiting multicore and distributed hardware while keeping a simple single-control-flow programming model.

Herb Sutter's CppCon 2015 plenary on writing safe, modern C++ by default using the C++ Core Guidelines. It includes a demo of lifetime-checking static analysis tooling.

A videogamedunkey video essay on video game critics. It argues that a critic's taste and integrity matter as much as their score, and tries to explain why major outlets give such inflated ratings.

Tech Ingredients shows how to build flat panel speakers from exciters and foam board, with construction guidelines, measured SPL comparisons and a complete system playing music.

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.

Bjarne Stroustrup's CppCon 2015 keynote on using C++14 to write better code, not just different code. It introduces the C++ Core Guidelines and the machine-checkable rules and GSL library behind them.

Cliff Click walks through a small performance example on a modern out-of-order CPU. He covers pipelining, ILP, CISC vs RISC, multicore, and why cache misses and the memory subsystem dominate performance.

Bach's Toccata and Fugue in D minor on organ, shown with a Music Animation Machine bar-graph score instead of traditional notation.

The main theme from Eduard Artemyev's score to the 1979 Soviet film Siberiade, an electronic piece that features the ANS synthesizer.

Brian Troutwine's Code Mesh 2015 talk on the Apollo Guidance Computer. It covers the AGC's design, core rope memory, its interrupt and software behavior, and the pioneering engineering effort behind it.

Sal Khan of Khan Academy argues that schools push students forward with gaps in their foundations, and that students should instead master concepts at their own pace. He compares it to building a house on an unfinished foundation.