Science
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Regression to the Mean Girls
A playful statistics blog where data scientists apply real methods to pop culture and everyday puzzles, from modelling L…
Relativistic Spaceship
An interactive special relativity simulator where you accelerate a spaceship toward light speed and watch time dilation,…
Relativity Park
A special relativity simulator where light crawls at walking speed, so you can see Lorentz contraction, aberration, and…
Relativity: A Modern Primer
A short and sweet textbook on Einstein's theory of relativity, taking a modern approach for readers who want the physics…
Relief
Pan and zoom an elevation map of the whole world whose colors adjust to the terrain on screen, revealing hidden ridges,…
Rendering the Sky, Sunsets, and Planets
An interactive article on building realistic skies, sunsets and planetary atmospheres in the browser, with live shader d…
Repairing a Ship's Hull in -50C Yakutsk
A vivid first-hand account of how a crew repairs the underside of a ship's hull while it sits in a frozen Siberian river…
Replace Peer Review with Peer Replication
A scientist proposes that journals require independent replication before publication, laying out how it would work and…
ReptiFiles
Clear, modern care guides for reptile keepers, with articles, buying guides, and resources that replace outdated advice…
Resource Watch
An open data platform from the World Resources Institute mapping thousands of live datasets on deforestation, climate, w…
Resources for the Future
An independent research institution publishing accessible studies and data on energy, climate policy, and the economics…
retractionwatch.wordpress.com
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Retraction Watch
A long-running blog tracking retracted scientific papers and research misconduct, offering a fascinating window into how…
Retraction Watch
A blog tracking retractions of scientific papers and investigating research misconduct, offering a candid window into ho…
Reuben Margolin
Kinetic sculptures by Reuben Margolin, huge hanging machines of pulleys, strings and wood that ripple like waves, raindr…
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…
Rex Research
A sprawling archive since 1982 of reports on suppressed and dormant inventions, strange technologies and experiments, so…
RGB of Life
A HTML5 version of Conway's Game of Life that runs in 24-bit RGB, where red, green and blue cells interact and blend int…
Richard Feynman Science Videos
Archival recordings of Nobel laureate Richard Feynman, including his Character of Physical Law lectures, preserved by th…
Richard Feynman's Blackboard at the Time of His Death
A Caltech archive photograph of the blackboard Feynman left behind in 1988, still carrying his last note, 'What I cannot…
Richard Nakka's Experimental Rocketry
A legendary hobbyist site with exhaustive technical write-ups on building and testing amateur solid rocket motors from s…
Richie's Tesla Coil Web Page
Detailed pages on designing, building and measuring a solid state Tesla coil, with schematics, component notes and oscil…
Riding Light
An animation that rides along with a beam of light leaving the sun at real speed, passing planets and moons over Steve R…
Rigby's Encyclopaedia of the Herring
A delightfully obsessive encyclopaedia of the herring: fisheries and fishing history, natural history, curing methods, r…
Ringwatchers
A fan-run SpaceX tracking site with detailed Starship diagrams and vehicle breakdowns, made for people who follow every…
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