Science
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Is Grover swearing? No, it's in your ears
A phonetics professor breaks down the viral Sesame Street clip where Grover seems to swear, using spectrograms to explai…
Is It Dark Outside?
A one-question web page that tells you whether it is currently dark outside, no more and no less, a small piece of usefu…
Is It Night
A single-purpose page that tells you whether it is currently night where you live, answered in big repeating type that f…
Is It Raining in Your City?
A single-purpose page that does one thing, telling you whether or not it is raining in your city right now, with nothing…
Is It Toxic To?
Search hundreds of houseplants and garden plants by common or Latin name to see at a glance whether they are toxic to ca…
Is My Blue Your Blue?
A color perception test that shows you shades between blue and green and finds where you personally draw the line betwee…
Is Seattle a 15-Minute City?
An analysis of how many Seattle residents can walk to groceries, schools and parks within 15 minutes, with neighborhood…
Isaac
Free 3D physics simulations you can change in real time, from a thrown ball to a black hole, by adjusting gravity, speed…
Isaac Newton's Works
The Newton Project's index of Newton's writings, from alchemy and mathematics to religion and science, with transcriptio…
Ishihara Test Plate Generator
A generator that makes custom Ishihara colorblindness test plates, hiding numbers in fields of colored dots that show ho…
Isochrone Maps of Europe
Interactive contour maps showing how long it takes to travel from one European city to everywhere else, so you can see t…
Isopod Site
A photo catalogue of the world's land isopods - pillbugs, woodlice and roly-polies - organised by country and region, wi…
ISRO
The official portal of the Indian Space Research Organisation, detailing its launch vehicles, satellites, and lunar and…
ISS Astroviewer
A live tracker showing the current position of the International Space Station and its ground track over a map of the Ea…
ISS Docking Simulator
Pilot a SpaceX Dragon capsule to dock with the International Space Station using a replica of the real astronaut interfa…
ISS in Real Time
An interactive exploration of 25 years aboard the International Space Station, replaying its crews, modules, and milesto…
ISS Tracker
A live map showing the International Space Station's current position, with plotted paths of its past, present, and futu…
ISS Transit Finder
A planning tool for observers that finds when the International Space Station will cross the face of the Moon or the Sun…
Iterating Towards Bethlehem
A Peter Watts essay on spider cognition and what tiny brains can do, a thoughtful science writing piece from a hard scie…
IUCN Red List
The authoritative global inventory of species conservation status, letting anyone look up how threatened a plant or anim…
Ivan Black
Welsh sculptor Ivan Black makes kinetic metal sculptures that twist, fold and ripple into hypnotic shapes as they turn,…
James Nolan Gandy
Hypnotic geometric line drawings made by hand-built drawing machines and harmonographs, with polyhedra and spirograph-li…
Jane Perrone
Houseplant writer and On The Ledge podcast host Jane Perrone shares guides and essays on growing and caring for indoor p…
Jason Davies
A collection of interactive map projections, word clouds, and generative visualizations built with D3.js by data visuali…
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