Light in a Coffee Cup
Simulate light caustics inside a circular cup
Broken Stick
Break a stick at random and see if the pieces form a polygon
Dartboard
Throw darts at a shape
Dropping Pins
Drop pins across the lines
Chaos Game
Jump partway to a random corner, over and over
Seed Lab
Pick a seed, tune the rule, follow the stream
Random Pairs
Draw random number pairs and track how many share no factor
Snap
Deal rounds of random numbers — watch for a snap
Seeded Flocks
Seed a world, seed a flock, press play — keep the picture
Two Circles
Explore the curves traced by one circle rolling around another
Harmonic Curves
Lissajous curves you can see and hear — two tones, one pattern.
Mod Beats
Arm beats around the rings — by tap or by rule — and press play
Coffee Break
Open some cells in the grounds and see if water finds a way through
Harmonic Sequencer
Compose a melody as two curves of frequencies.
Three on a Triangle
Mix three tones on a triangle — watch their barycentric projection trace a slowly breathing three-phase Lissajous.
Spin Clicker
Click to measure, watch probabilities emerge
Rolling
Roll the dice and find who really beats whom
SumFib Lab
Design a move strategy for sumFib, watch it play a game, or run batches and export the results
Dice Lab
Set up your own dice
Card Trails
Shuffle a ring of cards, pick secret starts, and hop each trail forward by the value of the card it lands on.