variation of the classic word game Hangman.

Is it faster to add cream first or later?

Produces traveling waves, standing waves, beats, and random motion as a series of pendulums are released simultaneously.

Image of a Christmas tree formed by an ornament.

Produces a device that tells the time according to the path of the Sun in the sky.

Calculates 1-dimensional motion with constant acceleration.

One of my favorite Project Euler problems!