[aadahiub] Move faster than can capture

Consider a chess variant on a (probably large) 2D board in which in pieces can typically move farther in one move than

[jatfzamq] Sliding blocks on a cube

Implement, as a computer game, sliding block puzzles (e.g., 15 Puzzle) played on the surface of a cube.

[dvxljvju] Cornu spiral

Most of the images of the Cornu spiral (a.k.a. clothoid, Euler spiral) that I could find "give up" in plotting the spir

[mtjgaubw] Shapes with interiors

Assume a bounding box of a square.  What are some simple shapes that fill up a good portion of the interior? Circ

[hmbqavtf] Gravity in 2 and 4 dimensions

Simulate and plot particles moving under gravity in a 2D universe.  This should be easy.  Force should probab