rap

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 kinetic typography animation for Jonathan Coulton's song 'Shop Vac', made by Jarrett Heather with Illustrator, After Effects and other tools over 500-1000 hours.

The SIGGRAPH 2005 demo of dual photography from Stanford, which swaps the roles of projector and camera to render a scene from the light's point of view. It includes the reveal of a hidden playing card.

Scott Arciszewski's DEF CON 26 Crypto and Privacy Village talk critiquing the JOSE standards (JWT, JWS, JWE) and showing how to design cryptographic tokens more safely.

Jason Cohen's MicroConf talk on designing a bootstrapped business by starting from your own strengths, goals and constraints. He works backward to the business model, pricing, market and product that fit, with practical points like annual prepay and pricing tiers.

Branch Education's animated deep dive into ASML's EUV photolithography machine and how it prints nanometer-scale transistors onto chips. It covers the system's components and the process of chip manufacturing.

Redis Labs and Tim Davis present RedisGraph, which uses GraphBLAS to treat graph queries in Cypher as sparse linear algebra for lower latency.

PolyMatter's first part of a series on China's demographic collapse, covering the effects of the one-child policy, shrinking workforce and economic consequences.

Ben Krasnow of Applied Science uses an antique 4x5 view camera to make high-resolution photolithography masks in a home shop. He photographs a poster-sized printout onto litho film to get features around 20 microns.

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 demo of the Symbolics Graphics Division's S-Packages, a Lisp-based 3D color graphics and animation system from the 1980s. It was later used in developing for the Nintendo 64.

Modern Vintage Gamer explains why PlayStation 1 graphics warped and jittered, comparing it with the Nintendo 64. The causes are affine texture mapping and the lack of sub-pixel vertex precision.

Rap Genius founders appear at TechCrunch Disrupt NY 2013 for a joke-filled interview announcing News Genius, with little detail about what it is.

A kinetic typography animation set to Stephen Fry's spoken essay on language. Fry argues against grammar pedantry and for the way language evolves, including the verbing of nouns.

A short conference talk from !!Con 2017 in which Kevin Chen explains the HDR imaging algorithm from a foundational paper, framing it as a system of linear equations, and implements it in a Microsoft Excel spreadsheet. No prior image processing knowledge is needed.

A two-minute explainer of 3D Gaussian Splatting, the rendering technique from a 2023 research paper. It outlines why it could change how 3D graphics are made.

A SIGGRAPH Asia 2013 research demo of 3-Sweep, a tool for extracting editable 3D objects from a single photo using a few user strokes. It predates modern AI image tools.

minimme traces the timeline of 3D graphics engines on the Game Boy Advance, from early experiments to commercial 3D games, covering techniques such as voxel rendering. It is a history and showcase of what developers coaxed out of the limited hardware.

A SIGGRAPH demo from Yoichi Ochiai's group of aerial and volumetric graphics drawn by focused femtosecond lasers with computational holography. The plasma points can be touched.

ContraPoints' 35-minute video essay on incels, examining the community, its worldview and how people get radicalized. It is delivered with theatrical style and an empathetic tone.

A roughly 90-minute video essay by ContraPoints on J.K. Rowling and the controversy around her views on gender. It examines why many LGBTQ people and allies soured on her.

ContraPoints' long-form video response to Jordan Peterson, critiquing his ideas including his use of the term postmodern neo-Marxism. It is delivered in her theatrical essay style.

The Thought Emporium's update on the home-brewed gene therapy he took to cure his lactose intolerance. It reports how the effect held up over two years and what future versions might look like.

Rhonda Patrick of FoundMyFitness makes a case for isothiocyanates such as sulforaphane from cruciferous vegetables and broccoli sprouts. It covers cancer, aging, heart disease, brain and behavior, and neurodegeneration, with chapter timestamps.

A PBS Space Time episode explaining the holographic principle: the idea that our 3+1 dimensional universe may be described by information on a lower-dimensional boundary. It walks through black hole entropy and the AdS/CFT correspondence.

A documentary on how GraphQL came to be at Facebook, featuring its co-creators Lee Byron, Dan Schafer and Nick Schrock. It covers the problems it solved and its adoption at companies like Twitter, Airbnb and GitHub.

Louis Rossmann explains why he stopped using GrapheneOS, describing his interactions with its lead developer Daniel Micay. It includes chat logs shown in the video.

Linus Tech Tips reviews the Looking Glass 8K holographic display, a glasses-free 3D monitor. The video shows the display in action and explains how it works.

A brief toast by lithography expert Chris Mack at SPIE Advanced Lithography 2014, humorously declaring the end of Moore's Law. His argument centers on the cost per transistor no longer falling.

Breaking Taps tries to build semiconductor fabrication capability at home, working through decades of lithography history while chasing one-micrometer features. It documents the equipment, process steps and many setbacks along the way.

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.

Vox breaks down how great rappers build rhymes, from Kurtis Blow's simple bars to Biggie's smooth flow and Kendrick Lamar's dense, fast delivery. It uses on-screen visualizations of rhyme structure.

An Epic Rap Battles of History episode in which Albert Einstein and Stephen Hawking trade rap verses. It is a popular comedic music video.

A long video essay by Natalie Wynn of ContraPoints on cancel culture, drawing on her own experience of being pile-on targeted by other leftists. It is theatrical and discursive, mixing argument with performance.

A one-minute National Geographic clip of researchers Terry Hunt and Carl Lipo testing a theory that Easter Islanders used ropes to rock the moai statues upright to walk them to their platforms.

Everyday Astronaut explains the basic physics of rocket engines, the main engine cycles and fuel types, then compares SpaceX's methane-fueled full-flow staged combustion Raptor to other engines. It runs nearly 50 minutes with chapter markers.

Jafar Husain's ACM keynote presents Netflix's JSON Graph and Falcor, which let web developers treat all cloud data as one virtual JSON model. It combines reactive programming with REST principles.

Alexander Nix of Cambridge Analytica presents at the 2016 Concordia Summit on using big data, psychographic profiling and behavioral microtargeting in elections.

A Clojure/conj 2019 talk by Wilker Silva on how namespace-qualified keywords and context-free federated names can be used pragmatically for data modeling, drawn from his experience at Nubank. It builds toward a graph-based view of connecting data from many sources.