How Fine Is Your Ear
Two tones, almost the same. Twenty questions later the page knows your pitch threshold to within about ten percent.
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Days 18 to 7
- 18
soundbuild - 17
Polite Randomness
The same number of random points twice, one following a single extra rule. Only one of them looks random.
- 16
One Part In A Billion
Two identical pendulums, started a billionth of a radian apart. Watch how long identical lasts.
- 15
Murmuration
Three hundred birds, three local rules, no leader, and the order they reach is deliberately imperfect.
- 14
Silk
Four thousand particles drifting through a noise field, and the one operation that makes it look like fluid instead of sand.
- 13
Shallow Water
Tap the pool. Three lines of stencil, one number that decides whether physics happens or the whole thing detonates.
- 12
Slow Lightning
Particles wandering at random until they stick, growing frost, and two ways of measuring it that disagree by a quarter.
- 11
The Note That Isn't There
Play a chord of upper harmonics with no root, and your ear invents the root anyway.
sound - 10
Carve And Escape
A maze digs itself out of solid rock, then the same algorithm turns round and walks back out.
- 9
Soft Edges
Six blobs merging and splitting, their outline pulled out of a grid of numbers by a sixteen-case lookup table.
- 8
Settling Cells
Ninety scattered points, each repeatedly stepping to the middle of its own territory, discovering honeycomb.
- 7
Beats In Your Head
Two steady tones, one per ear. You hear a pulse that exists in neither of them.
sound