Science
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Center for Inquiry
A nonprofit promoting science, reason, and secular values through articles and campaigns that challenge pseudoscience an…
Century of Flight
An encyclopedic reference tracing the entire 20th century of aviation history, from the Wright brothers to the jet age.
Cepheus Poker Project
Home of Cepheus, the first program to play essentially perfect heads-up limit Texas hold'em, with the research story, pr…
CERN
The home of the Large Hadron Collider, with news, explainers, and behind-the-scenes looks at the world's largest particl…
CERN Animal Shelter for Computer Mice
A deadpan physicist's joke site where unwanted computer mice are rehomed on the lawn at CERN, complete with adoption sto…
CesiumJS Sandcastle
A live-editable gallery of code demos for the open-source CesiumJS engine, showing off interactive 3D globes, terrain, a…
CEV-1
A block-based city building strategy game where you play a benevolent AI running an ever-growing Mars colony and minimiz…
Chandra X-ray Observatory
Stunning X-ray imagery of black holes, supernova remnants, and galaxy clusters from NASA's long-running Chandra space te…
Chaotic Atmospheres
Portfolio of a digital artist who uses mathematical processes, from 3D renderings of famous strange attractors to flowin…
Chart Porn
A long-running curated feed of striking charts, graphs, maps and interactive data toys on everything from tech and money…
ChartsMe
A 27-question quiz inspired by a 2014 study claiming one trait predicts whether you lean liberal or conservative, then p…
Chaser Dot
A storm-chasing MMO set on a real national map with live weather, where you chase actual storms as they develop alongsid…
Check-Six
An archive of historic aviation photographs and case studies examining notable aircraft accidents from a research-minded…
Cheese Science Toolkit
A free technical resource that decodes the science of cheese, with articles and videos on flavor molecules, microbiology…
Chemguide
Jim Clark's plainspoken guide to A-level chemistry, trusted by generations of students for its patient explanations of m…
Chemistry World
The Royal Society of Chemistry's magazine covering chemical science news, research, and culture, from new molecules to t…
ChemSpeller
Spells any word you type using symbols from the periodic table of elements, a quick toy for chemistry fans and word love…
Chessmetrics Historical Ratings
Browse statistically computed chess ratings for the world's top players across history, with monthly lists reaching back…
Chestnut School of Herbal Medicine
A foraging resource library with field guides, wild food recipes, harvesting ethics, and tool advice for gathering edibl…
Chicago's Million Dollar Blocks
An interactive map showing how much Illinois spends incarcerating people from each Chicago block, sometimes over a milli…
Chip
Click to run a cellular automaton tuned until it stabilises into something like a constantly shifting circuit diagram, a…
Chips and Cheese
Deep technical dives into CPUs, GPUs, and the wider hardware industry, with architecture analysis and benchmark testing…
Chord Progressions
A dataset-driven tour of how many hit songs share the same chord progressions, following up the Four Chord Song joke wit…
Chordinates
An educational web toy from Pios Labs that turns 2D graphs and equations into piano and guitar sounds so you can hear wh…
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