commit graph

A Google Tech Talk by Steve Weis that introduces modern cryptography and its use in practice and at Google. It covers proofs of security and security definitions and a special topic. HN commenters treat it as a talk on verifiable electronic voting.

The first lecture in an 18-part series on digital photography from Marc Levoy's Stanford CS 178 course, recorded at Google in 2016. The series covers how digital cameras work and computational photography, with slides and assignments available on the course site.

A SIGGRAPH 2019 course on geometric algebra. Charles Gunn gives an intro, then Steven De Keninck gives a programmer-focused course with live examples in ganja.js.

A Linux.conf.au 2013 talk that explains git's internal model using a playful, toy-based approach. It presents git operations as operations on a graph of commits, aimed at people who find git confusing.

Christof Paar's university lecture introducing Galois fields and finite-field arithmetic as used in AES. It covers the mathematics behind the AES S-box.

Daniel J. Bernstein and Tanja Lange survey recent highlights in post-quantum cryptography at 35C3, covering the NIST competition, network protocol experiments, and broken candidates.

Brian Karis's SIGGRAPH 2021 talk explains how Unreal Engine 5's Nanite virtualized geometry works. It covers mesh import, the data structures, streaming, decompression, culling, software and hardware rasterization, and shading.

Mark Ferrari, the LucasArts background artist, explains in a GDC 2016 talk how he draws 8-bit graphics. He covers color cycling and palette shifting to create complex animated scenery without frame animation.

Moishe Lettvin, a former Google engineer, shares lessons from 250 interviews and his time on the hiring committee. He tells how the committee given anonymized packets, including its own, would hire almost none of them.

A Royal Institution event with Sean Carroll and Jennifer Ouellette on what happens if you fall into a black hole, covering the firewall paradox, the information problem and the holographic principle.

Stanford physicist Leonard Susskind gives the first of two mini-lectures on "ER = EPR", the idea that quantum entanglement and wormholes are related. It covers what lies behind black hole horizons.

The first part of Freya Holmer's three-part, nearly four-hour lecture on shader coding for game devs in Unity. It covers what shaders are, vertex and fragment shaders, interpolators, data types, blending and textures.

A full-day recording of the University of Utah computer science department's 50th anniversary event with panels, keynotes and talks by alumni and pioneers. It includes Ivan Sutherland's presentation on single flux quantum electronics.

A Computer History Museum oral history panel with four 3dfx founders on the company's rise with Voodoo Graphics and Glide, and its fall into bankruptcy. It runs about two and a half hours.

React Helsinki meetup recording featuring a talk on lessons with Apollo GraphQL and Linear co-founder Tuomas Artman on real-time sync for web apps. The sync talk explains Linear's local-first architecture.

Day one of the X.Org Developer's Conference 2020 stream, including talks on the Raspberry Pi 4 Vulkan driver, the WSL graphics architecture, X11 and Wayland apps in WSL, and Mesa for D3D12.

A 2013 lecture in which Vitalik Buterin explains what quantum computers are and what they can and cannot do. He then discusses what they could mean for Bitcoin's cryptography.

A 2016 House Judiciary Committee hearing on encryption, held during the Apple and FBI iPhone dispute. It features testimony from Apple, the FBI and outside experts including Susan Landau, and runs over five hours.

A HOPE09 talk on how modern computer chips are manufactured, from 22nm transistors to ultra-clean fabs and the tricks used to pattern tiny features with light. It frames chipmaking as hacking electrical engineering and physics.

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.

Moleman 2 is a feature-length documentary about the demoscene, tracing its rise from 1980s Commodore 64 culture to modern real-time art. It explains the algorithms and creative process behind demos and intros.

Ezra Klein interviews Democratic pollster David Shor, who walks through survey data and charts explaining the 2024 election results. They discuss voter shifts, the education divide and what Democrats got wrong.

The full documentary 'The Internet's Own Boy' about programmer and activist Aaron Swartz, with interviews with family, friends and internet figures. It covers his work on access to information and the legal case preceding his death.

Elasticsearch engineer and Lucene committer Adrien Grand explains the design decisions inside a Lucene index and what problems it can and cannot solve. The talk goes into how Lucene stores data for fast search and analytics.

Eric Chahi's GDC 2011 postmortem of Another World (Out of This World), describing how he built the game. He shows his polygon art approach, rotoscoping and animation tools.

A BBC documentary on Francis Bacon, the loud, hard-drinking British painter, drawing on people who knew him. It explores the haunted man behind the Roaring Boy persona.

A roughly three-hour Computer History Museum oral history interview of Donald Knuth by Edward Feigenbaum, recorded in 2007. Knuth covers his family, music, early programming, his thesis, The Art of Computer Programming, and the detour into TeX and METAFONT.

An hour-long video essay on Elite, the 1984 BBC Micro game by David Braben and Ian Bell. It covers how they fit a 3D engine, economy and universe into 22KB on a 2MHz 6502.

A HandmadeCon 2016 panel where Chris Hecker, John Miles, Sean Barrett and Chris Green give an oral history of software texture mapping in 90s games.

The 1993 BBC Horizon documentary on Richard Feynman, using interviews with colleagues and Feynman's own storytelling. It covers his life and work through to his final illness.

Eric Bier, a PARC research scientist, demonstrates the Cedar integrated programming environment and language, an evolution of Mesa from Xerox PARC. The demo shows the Tioga editor, garbage collection, and a full graphical workstation environment.

Bob Beck of OpenBSD describes the first month of LibreSSL, the fork aimed at cleaning up OpenSSL, including oddities found in the code base and why it was cleaned rather than audited cryptographically.

Scott Chacon introduces Git by showing what happens under the hood for basic commands: staging, committing, data storage, branching, merging and pushing. He contrasts it with Subversion and shows history viewing with log.

Christopher Domas's REcon 2013 talk on dynamic binary visualization for reverse engineering. He shows how rendering binary data as interactive visual maps and trigraphs reveals structure that hex dumps hide, leading to his Cantor.dust tool.

Video of the March 2014 Senate Defense Subcommittee hearing on National Security Space Launch programs. Elon Musk of SpaceX testifies alongside ULA's CEO, a GAO official and a policy expert, on launch contracts and Russian engines.

The opening lecture of MIT's Blockchain and Money course taught by Gary Gensler, covering the course plan, the history of failed digital currencies, cryptography and what a blockchain is.

The day one keynote of Google Cloud's 2016 GCP NEXT conference, with Sundar Pichai, Diane Greene, Eric Schmidt, Urs Holzle and customers. It includes a Cloud ML demo by Jeff Dean.

Perry Metzger, an Emacs user since 1983, gives a talk on why he has used one editor for decades. It mixes history, philosophy and speculation about Emacs's future, and teaches some Emacs fundamentals.

A Computer History Museum recording of the final demonstration of the Xerox Star, the early graphical user interface workstation. It is a long demo session that shows the design thinking behind desktop, icons and windows.

Ray Kurzweil presents his book How to Create a Mind at Google, on reverse engineering the brain and using that understanding to build intelligent machines. He shows his graphs of exponential technological progress.