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Ray Marching: Menger Sponge Breakdown
A step-by-step explainer on ray marching, showing how an iterated Menger sponge fractal gets rendered by marching rays t…
Ray Tracing in Notepad.exe at 30 FPS
A game graphics programmer explains how he hacked Windows Notepad into a display surface and ran a real-time ray tracer…
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Raymarching Distance Fields
An illustrated walkthrough of raymarching with signed distance fields, explaining how those smooth glowing 3D shader sce…
Real Gaming Router
A tinkerer's write-up on getting GTA: Vice City to run on a TP-Link wireless router, from reverse-engineering the hardwa…
Real Life
An online magazine of essays examining how technology shapes everyday experience, from social media to surveillance, in…
Real Life Tron on an Apple IIgs
A programmer recreates the Tron light-cycle game on a vintage Apple IIgs and films friends in the real world to match, a…
Rebuilding Society on Meaning
A free online textbook on values-based design, with practical techniques for building recommenders, social networks, mar…
Regex Chess
Nicholas Carlini builds a 2-ply minimax chess engine entirely from 84,688 regular expressions and lets you play it in th…
Rendering One Million Datapoints with D3 and WebGL
An article on rendering a million data points in the browser by pairing D3 with WebGL components, with live examples of…
Rendering the Sky, Sunsets, and Planets
An interactive article on building realistic skies, sunsets and planetary atmospheres in the browser, with live shader d…
Replacing My Best Friends With an LLM
A funny and surprisingly candid experiment fine-tuning a language model on years of group chat history, and the weirdly…
Repurpose Your Old Kindle
A hobby project that hacks an old Kindle e-reader into an always-on display showing live bus arrival times, with the ste…
RESTful DOOM
A write-up of embedding a RESTful API into the classic 1993 game DOOM so it can be queried and controlled over HTTP and…
Resurrecting a Dead Dune RTS Game
A programmer's write-up on reverse engineering and reviving Emperor: Battle for Dune, a long-dead real-time strategy gam…
Retrieving 1TB from a Faulty Drive with Woodworking Tools
A hands-on tale of rescuing a terabyte from a failing NVMe drive using woodworking tools, patience, and a lot of ingenui…
Reverse Engineering My Cable Modem Into an SDR
A detailed hacking write-up on reverse engineering a cable modem to repurpose its tuner and hardware as a software-defin…
Reverse Engineering SimTower
The story of recreating the 1994 skyscraper-management game SimTower in the browser by picking apart the original progra…
Reverse Engineering the Sega Channel Game Format
A detective story about decoding the file format of Sega Channel, the 1990s cable service that streamed Genesis games, a…
Reversing UK Mobile Rail Tickets
A detective story about decoding the barcodes on British mobile train tickets, tracing a design lineage back to paper AP…
Reversing YouTube's Most Replayed Graph
An interactive write-up that reverse engineers the engineering behind YouTube's Most Replayed graph, showing how the cur…
RFC 35140: The Do-Not-Stab Header
A deadpan spoof of an internet standard that defines an HTTP header letting users politely ask websites not to stab them…
Rise of the Triforce
A Dolphin emulator blog deep dive into the Triforce arcade board, a joint Sega, Namco and Nintendo system built on GameC…
Rotary Keyboard
A tinkerer bodges a vintage rotary telephone dial into a mechanical keyboard so numbers must be dialed in, with photos a…
Running a Tesla Model 3 Computer on My Desk
A security researcher buys wrecked-car parts and wires a Tesla Model 3's computer to his desk, walking through the pinou…
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