57 hand-picked finds

Experiments & Simulations

Systems to poke, particles to disturb, and rules best understood through play. Every entry below has been opened, checked, and given its own field notes.

Experiments & Simulations

Neal.fun

A cabinet of interactive ideas that makes learning feel suspiciously like play.

20 minNo signup
Experiments & Simulations

Quick, Draw!

Doodle against the clock while a neural network tries to guess your subject.

6 min SoundNo signup
Experiments & Simulations

Sandspiel

Paint with sand, water, fire, plants, oil, and other tiny materials that react to one another.

20 minNo signup
Experiments & Simulations

WebGL Fluid Simulation

Push luminous liquid color around the screen and watch digital turbulence behave beautifully.

10 minNo signup
Experiments & Simulations

JSLinux

A whole shelf of operating systems squeezed into one browser tab

15 minNo signup
Experiments & Simulations

Bad joke generator

Feed it a subject; receive puns with proudly questionable judgment.

5 minNo signup
Experiments & Simulations

Band names

Feed it a word, pick a musical lane, and audition names before the drummer does.

5 minNo signup
Experiments & Simulations

Bonsai Builder

Grow a pocket-size pixel tree, then prune it into something delightfully improbable.

5 minNo signup
Experiments & Simulations

Busy Simulator

A tiny button board for synthetic chaos

5 minNo signup
Experiments & Simulations

GPU Fluid Experiments

A tiny weather machine that lets your cursor become the troublemaker.

5 minNo signup
Experiments & Simulations

Jackson Pollock Paint

A blank browser canvas that turns cursor mileage into unruly digital drips.

5 minNo signup
Experiments & Simulations

Land Lines

Draw a squiggle; let Earth answer in rivers, roads, and coastlines.

5 minNo signup
Experiments & Simulations

Swarm Simulator

Start with larvae and meat; leave with an insect empire that has stopped respecting ordinary quantities.

5 minNo signup
Experiments & Simulations

WebGL Water Simulator

Poke a tiled pool until ripples, light, and one stubborn sphere start negotiating.

5 minNo signup
Experiments & Simulations

Word Simulator

A fake Word window for looking industrious without writing a word

5 minNo signup
Experiments & Simulations

Abiogenesis

Turn a barren rock into a launchpad for whatever life manages to stick.

10 minNo signup
Experiments & Simulations

Airfoil

A patient wind tunnel for finally seeing where lift comes from

10 minNo signup
Experiments & Simulations

Arboreal Demigod

A pocket-sized forest sim where divine gardening meets fires, crows, and inconvenient woodcutters.

10 minNo signup
Experiments & Simulations

A Simulation in Emoji

Run an emoji world one revealing tick at a time

10 minNo signup
Experiments & Simulations

Ball Escape Kinetic Sculpture

A bouncing ball, a nest of spinning gaps, and absolutely no respect for your patience.

10 minNo signup
Experiments & Simulations

Bicycle

An ordinary bicycle, followed by every invisible force trying to explain it

10 minNo signup
Experiments & Simulations

Bob L. Boyle's Simple Soups

A tiny soup shift where every order may be one ladle away from romance.

10 minNo signup
Experiments & Simulations

Cell Machine

Set the rules, press play, and watch your neat little plan grow teeth.

10 minNo signup
Experiments & Simulations

CircuitJS1

A live circuit breadboard where the electrons get little yellow feet.

10 minNo signup
Experiments & Simulations

CTRL FRK

A tiny control panel where teamwork steadily becomes tug-of-war

10 minNo signup
Experiments & Simulations

Double Pendulum

Chaos on two hinges, with sliders, graphs, and the equations left in

10 minNo signup
Experiments & Simulations

Emoji Simulator

Write a tiny world in emoji, then let its rules loose on the grid

10 minNo signup
Experiments & Simulations

Fireflies

One firefly nudges a neighbor, and the whole night eventually finds the beat

10 minNo signup
Experiments & Simulations

Fresnel Diffraction

Send a tiny hole into the shadow-pattern business

10 minNo signup
Experiments & Simulations

Gears

A gear lesson that starts with spinning dots and winds up at involute teeth

10 minNo signup
Experiments & Simulations

[graph_harvest]

A roaming node factory where every connection feeds the next absurdly large number

10 minNo signup
Experiments & Simulations

Internal Combustion Engine

A four-stroke engine disassembled into moving, understandable pieces

10 minNo signup
Experiments & Simulations

Life-Giving Heartache

Grow a monster one correctly colored candle-punch at a time, if your hands can keep the ritual straight.

10 minNo signup
Experiments & Simulations

Mechanical Watch

A watch movement you can mentally assemble before the hands start ticking

10 minNo signup
Experiments & Simulations

myPhysicsLab Roller Coaster

A rolling-ball gravity lab that keeps the calculus bolted to the track.

10 minNo signup
Experiments & Simulations

Neurotic Neurons

Fire a neuron, follow the spark, and watch anxiety's wiring become a story

10 minNo signup
Experiments & Simulations

Parable of the Polygons

A neighborhood of shapes that makes a quiet choice feel suddenly enormous.

10 minNo signup
Experiments & Simulations

Physics Sandbox 3.0

Drop water on dirt, thaw ice with lava, and send gravity out for coffee.

10 minNo signup
Experiments & Simulations

Pink Trombone

A pink mouth machine for turning fingertip nudges into unruly little voices.

10 minNo signup
Experiments & Simulations

POST/CAPITALISM

Rewire one city block until its systems stop arguing with its ideals.

10 minNo signup
Experiments & Simulations

Reaction Diffusion

Paint a chemical nudge and watch spots, stripes, and coral-like forms negotiate the canvas.

10 minNo signup
Experiments & Simulations

Rectangular Membrane

A digital drumhead where standing waves line up for inspection, combination, and a careful poke

10 minNo signup
Experiments & Simulations

Ripple Tank Simulation

A wave lab where ripples do not care that you skipped the cleanup.

10 minNo signup
Experiments & Simulations

SYMBIOS

Petri-dish peacekeeping where a quiet colony can turn scrappy fast

10 minNo signup
Experiments & Simulations

The Evolution of Trust

Game theory, but with little characters making social decisions so you do not have to begin with a chalkboard.

10 minNo signup
Experiments & Simulations

To Build a Better Ballot

A voting-systems explainer that lets the ballot rules wobble the little simulated world before they wobble a real conversation.

10 minNo signup
Experiments & Simulations

Wayne McGregor's AISOMA

Give a dance archive one small move and see how it answers back

10 minNo signup