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Calavera Images and Jose Guadalupe Posada
Jim Nikas traces how 19th-century Mexican printmaker Jose Guadalupe Posada popularized the dancing skeletons and La Catr…
Calculating Position from Raw GPS Data
A hands-on walkthrough of how a phone turns satellite signals into a location, working through pseudoranges, orbits and…
Calvin and Hobbes and the Price of Integrity
An essay on how Bill Watterson refused merchandising and licensing, fought his syndicate for creative control, and then…
CAN Injection: Keyless Car Theft
A detective story about how a car got stolen with a tiny device plugged into its headlight wiring, and how that led to u…
Can You Recreate a Lost Martial Art?
A martial artist asks whether a lost fighting art can really be revived from old training manuals, weighing the HEMA rev…
Can You Reverse Engineer Our Neural Network?
Jane Street presents a machine learning puzzle: given a trained network and no documentation, work out what it actually…
Candle Flame Oscillations as a Clock
Bundle three candles together and their flames start to pulse in sync; this write-up explores the physics of the flicker…
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Tech
Candle Flicker LEDs With a Built-in Timer
A teardown of the tiny chips inside candle-flicker LEDs, showing how a cheap integrated circuit mimics a real flame and…
Canon
A parent builds a multiplayer text-and-image world so his eight-year-old can make her own games, and writes up what happ…
Canvas 3D Renderer
A write-up of building a 3D renderer on top of the plain 2D HTML canvas, explaining how the projection and drawing code…
Capture the Atlas
Photography guides and galleries devoted to shooting the Milky Way, meteor showers, and other astrophotography subjects…
Cargo Airships Could Be Big
An argument that modern cargo airships could reshape global freight, covering the economics, engineering and regulatory…
Carl Jung and Tarot
A carefully researched post by tarot historian Mary K. Greer digging into what Carl Jung actually knew and said about ta…
Carpentopod: A Walking Table Project
The story of the Carpentopod, a wireless walking wooden coffee table built from an optimized linkage mechanism, covering…
Casio TM-100 Transmitter Watch
A look at the 1987 Casio TM-100, a digital watch with a hidden FM transmitter you could tune into on a radio, from a sit…
Casual Viewing
A long-form n+1 essay on how Netflix built its DVD-by-mail empire, secretly throttling heavy renters it called pigs, and…
Cataclysmic 1991 Eruption of Mount Pinatubo
A USGS fact sheet on the 1991 Mount Pinatubo eruption, the second-largest of the century, covering the evacuation, ash,…
Category Theory Illustrated
An illustrated, friendly introduction to category theory that starts from sets and builds up with diagrams and plain-lan…
Cave Paintings of Mushrooms
Mycologist Brian Akers examines a prehistoric painting in the Selva Pascuala rock shelter in Spain that may show psilocy…
Caviar Warehouse to Modern Home: 14 Converted Residences
A photo-rich roundup of 14 buildings converted into homes, including a caviar warehouse, stable, boathouse, and boiler r…
Celebrating the First NES Tetris Game Crash
A write-up of the moment Blue Scuti broke NES Tetris, reaching the long-theoretical crash screen, with the context of ho…
CelloBello
A nonprofit resource offering free video lessons, masterclasses, and repertoire guides for cello students and teachers.
Center for Global Development
An independent think tank producing research and interactive data on poverty reduction, foreign aid effectiveness, and e…
Centre for London
An independent think tank publishing research on London's housing, transport, and growth challenges, with reports aimed…
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