Fly is an experiment: a simulation built on the real connectome of a fruit fly's brain (139,255 neurons, mapped by FlyWire) learns by reward to get from one triad to another on the piano by moving a single note at a time.
You pick the start triad and the goal triad from the 24 major and minor ones, press Learn, and follow the attempts in three views: the map of paths, the brain in 3D, and the fly playing the piano.
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