Science
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The Periodic Table of Comic Books
Click any chemical element on a periodic table to see scanned comic book pages where it appears, from Superman's krypton…
The Periodic Table of Irrational Nonsense
A satirical periodic table that arranges pseudoscience, superstition, and irrational beliefs as chemical elements, each…
The Perspective Engine
A tool that visualizes your life by perceived time instead of calendar time, showing how years feel shorter as you age a…
The Photographic Periodic Table
Theodore Gray's periodic table built from thousands of photographs of real element samples, each with stories, data, and…
The Photonics Spotlight
A blog from the RP Photonics team presenting interesting materials and thoughts on photonics and laser technology, from…
The Phrenology Page
A long-running reference page on the discredited science of phrenology, with history, terminology in many languages and…
The Physics Aviary
A collection of interactive physics simulations, games and tools for exploring mechanics, waves, circuits and more in th…
The Physics Classroom
A free physics course for students and teachers with plain-language tutorials, concept builders, interactive simulations…
The Physics Travel Guide
An expository physics wiki that explains each concept at three levels - intuitive, concrete and abstract - so you can pi…
The Pirate Surgeon's Journal
A guide to 17th and 18th century sea surgery, with pages on the ship environment, tools, procedures and the medicine of…
The Pi-Search Page
A search page that finds any string of digits, such as a birthday or phone number, within the first 200 million digits o…
The Planetary Society
The space advocacy organization co-founded by Carl Sagan, publishing accessible articles, mission guides, and imagery ab…
The Pleasant Places to Live
A data-driven map of the United States showing how many pleasantly mild, dry days each place gets per year, from sunny L…
The Preservation of Favoured Traces
Ben Fry's visualization of how Darwin's On the Origin of Species changed across its six editions, color-coding every pas…
The Problem with Maps
An illustrated interactive essay on why flat maps distort the round Earth, letting you explore different map projections…
The Project Apollo Archive
One of the web's earliest and most complete repositories of high-quality photographs from NASA's Apollo lunar missions.
The Psychology of Waiting Lines
David Maister's classic essay on why waiting feels the way it does, with eight principles such as occupied time feeling…
The Quantum Cat
A newsletter by physicist and author Alastair Williams about space, physics and the cosmos for people curious about the…
The Qubit Game
A clicker-style game where you build a quantum computer one qubit at a time, learning the basics of quantum computing as…
The Quiet Map
A live map, refreshed hourly, that uses seismometer data to find the quietest place on Earth right now, since seismomete…
The Ray Cat Solution
Explores a strange real proposal for warning people 10,000 years from now about nuclear waste: breed cats that change co…
The Reality of Celebratory Gunfire
An interactive data visualization that animates how far and how fast bullets fired into the air travel, with projections…
The Rectangularness of Countries
Which country is the most rectangular? This playful analysis fits the best rectangle to every nation's outline and ranks…
The Rejuvenation Roadmap
A curated database that tracks dozens of anti-aging therapies - senolytics, stem cells, gene therapies and more - showin…
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