This page includes links to collections of resources, smaller or more esoteric projects, or things built in old tech like flash. Kind of a grab bag of interesting things.
.
Black Hole Explorer
Explore the spacetime around a black hole in your rocket ship. Created by TestTubeGames
EM Wave
Electromagnetic wave simulation. Created by Falstad
Explorable Explanations
A collection of Explorable Explanations curated by Nicky Case
Fluid Dynamics Simulation
Simulates the flow of a fluid around a barrier. Created by Dan Schroeder
Genetic Cars
Evolving cars on a procedural racetrack. Created by Rafael Matsunaga
Genetic Walkers
Evolving creatures walk better and better. Created by Rafael Matsunaga
Gravitation Physical Visualization
Flash interactive that shows a visualization of the curvature of spacetime. Created by Adam Trepczynski
Gravitation Physical Visualization
Flash interactive about special and general relativity. Created by Adam Trepczynski
Gravity
A flash-based gravity simulator by nowykurier
Gravity Lab
Gravity simulation by the National Science & Tech Medals Foundation
Kerr Spherical Photon Orbits
An explorable explanation of the orbits around a spinning black hole. Created by Dr. Leo Stein
MinuteLabs
A collection of physics and science interactives by MinuteLabs
PhET
The definitive collection of free online resources for physics classes. Run by University of Colorado Boulder
Quantum Marble Maze
A very neat game about quantum mechanics. Created by Crispin Cooper
Quantum Tic Tac Toe
An online quantum game. Created by Rohan
Quantum TiqTaqToe
Tic Tac Toe with quantum mechanical rules, for both web and mobile. Created by Evert
Ricky Reusser Collection
A lot of cool interactive math-y explorables to check out. Created by Ricky Reusser.
ScienceGameCenter
THE definitive list of science games – both digital and physical. Curated by Dr. Melanie Stegman.
The Moon is one Pixel
A to-scale model of the solar system in a browser window. Created by Josh Worth
Visualizing a Black Hole
Simulates the path of light around a black hole. Created by Antonell