Open forest project

Use the sliders to design your own tree and put it in the forest when you're done.

Make a tree or View the forest

Limanima

Limanima is a simple program for making animated cartoons.
It has three modes:
Anim: Traditional frame by frame animation
Zoom: Make a zooming movie by adding to your drawing after zooming in or out.
Video: Make stop-motion animation with a camera or smartphone.

Cloudscapes

Cloudscapes of the universe

Mindnumbing numbers

Confusing information for inhabitans of planet earth.
Also see: The number system

Next level site (for robots only)

Starscape simulation

Watch 3000 stars revolve around each other under the influence of gravity