63 mesmerising websites

Fly out through our stellar neighbourhood, one star at a time

The flying toasters screensaver, rebuilt in pure CSS

Three rules are all a flock of birds needs

Every GIF at once, with a soundtrack, on purpose

Four rules, and cells that build spaceships anyway

The planet's wind, drawn as one continuous flowing sheet

Thousands of public cameras, pointed at everywhere at once

Six thousand music genres, plotted on one scrollable map

Hundreds of live animal cams, from bear falls to puppy rooms

An endless descent through shifting bands of colour

Every aircraft in the air, updating as they move

Click to drop a star and watch particles fall in

Two chemicals, two dials, and every pattern in nature

Individual strikes, plotted a second after they land

Live shipping, from container giants down to harbour tugs

Two dozen physics scenes you can grab and throw about

Tokyo's entire rail network, running live in 3D

Jellyfish, sea otters and a kelp forest, streaming live

Paint with fire that keeps burning after you stop

Named great whites, pinging the map when they surface

Coloured dots that attract and repel start forming cells

Every key on your keyboard is a sound and a shape

The falling-sand classic, still updated after fifteen years

Spin the globe, land on a live station somewhere real

Pick a country and a decade, hear what was playing

Falling sand with hundreds of elements and real chemistry

Draw with sand, water, fire and plants and step back

Tetris, except every block collapses into loose sand

A graphing calculator that keeps up with your typing

Build a circuit and watch the electrons move through it

Thick oil paint that smears and mixes like the real thing

Two products, side by side, in 3D at true size

Drag sounds onto beatboxers and build a track

Split circles into smaller circles until an image appears

Game of Life made continuous, and it grows creatures

A sealed glass ecosystem that keeps going without you

Two colours wage war across a grid until one wins

Every country's age structure, 1950 to 2100

Find the shortest link path between any two articles

Begin beside an astronaut, finish at the Local Group

Pour coloured sand and let it pile up in drifts

Find out why a jam appears when nothing is blocking

A world map where every pin is a field recording

Build a jointed creature and let it learn to walk

Hans Rosling's bubble chart, still worth an hour

Random two-wheeled cars, bred over generations, on hills

The Sun in every wavelength, going back fifteen years

Draw a hill and a small sledder rides whatever you drew

Watch a neural network learn, one neuron at a time

The best interactive explainers anyone is making

Play with the models behind epidemics, flocks and chaos

Nathan Yau on what the numbers are doing to us

A tiny turtle draws whatever code you feed it

Tens of thousands of Winamp skins, all of them playable