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WebGL Fluid Simulation
Paint with swirling color. A tactile fluid simulation that turns your cursor into a brush.

The essence of calculus
Watch area, small changes, and accumulation reveal the central idea behind calculus.
WanderstopMusic
💧 Water + 🔥 FireGames

The Plane of Focus
Turn a lens's focus ring and aperture to see where an image becomes sharp.
Catalog date: 2026-09-23

Pattern Collider
Lets visitors create and explore quasiperiodic tiling patterns.

Linear transformations and matrices | Chapter 3, Essence of linear algebra
See matrices move a grid, and understand linear transformations as changes to space.



Circuit Simulator
Switch and edit circuit components while animated colors and dots show voltage and current. JavaScript port by Iain Sharp.
behind
the scenesInteractive
the scenesInteractive
Bruno Simon’s Portfolio
The portfolio website links to a video series documenting how the world was built.

how to explain things real good
A Stanford mini-talk on explaining things well.