Education
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Parametric Press
A born-digital magazine that pairs long-form science journalism with fully interactive charts and simulations readers ca…
Parchment-making
Cornell's library conservators document how parchment is made from animal skin, step by step with photos of soaking, scr…
Parker Adey
The personal site of mathematician Parker Glynn-Adey, an eternal student writing about mathematics, plants, life, and wh…
Particle Clicker
An incremental game from CERN Webfest where you click to collect data, hire grad students and upgrade detectors while re…
Partiosanomalaite
A simulator of the Finnish m/83 Parsa reconnaissance patrol messaging device, an educational art project that lets you r…
Passport Collector
Historian Tom Topol's archive of vintage and antique passports, with richly illustrated stories about forgotten journeys…
Past Earths
Drag one slider from 540 million years ago to today and watch continents drift, coastlines shift and ice sheets come and…
Past Horizons
An archaeology and heritage news site reporting on new digs, ancient technology studies, and volunteer digging opportuni…
Patentdle
A daily guessing game where you read excerpts from a real patent and work out which everyday invention it describes, wit…
Path to Philosophy
A Wikipedia game built on the idea that most articles lead to Philosophy if you keep clicking the first link, with a hun…
Patheos Religion Library
A peer-reviewed reference library covering the beliefs, rituals, and history of dozens of world religions and spiritual…
Pathfinding Visualizer
A grid toy where you draw walls, generate mazes and watch Dijkstra, A*, breadth-first and depth-first search race to fin…
PathFinding.js Visualizer
An interactive grid where you draw walls and watch algorithms such as A*, Dijkstra, and breadth-first search hunt for th…
Paths
A questionnaire that estimates how many people in the world are like you, so each answer you give shrinks the crowd and…
PathSpotter
A free career quiz that matches your strengths and interests to possible careers, built by a developer who wanted the ca…
Patterns in the life of van Gogh
A data visualisation that maps Vincent van Gogh's life through his letters, paintings and movements, revealing patterns…
Paul Kirtley
A bushcraft and wilderness blog with articles, videos, and podcasts from instructor Paul Kirtley to improve your surviva…
Paul Meier IPA Charts
A set of interactive International Phonetic Alphabet charts covering vowels, consonants, and clicks, each symbol voiced…
Paul Priestley Art
Free beginner drawing and painting tutorials from an artist, covering basic techniques like edges, shading and perspecti…
Paul's Online Notes
Free, clearly written course notes for Algebra, Calculus I-III and Differential Equations, with hundreds of practice pro…
PBS
The American public broadcaster's site streaming full episodes of documentaries, dramas, and science shows like NOVA and…
PCBJam KiCad Demo
An early-access demo of KiCad running entirely in the browser, with example boards or your own project, no install and n…
Pearl Symbolism and Legends
An article on pearls in myth and folklore, from ancient beliefs that they were tears of the gods or born of moonlight to…
Pedestrian Observations
A data-heavy blog by transit writer Alon Levy comparing rail construction costs and transit systems across cities worldw…
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