Pick a number c near the Mandelbrot set and repeat z → z² + c, starting from zero. Most choices stay bounded forever. The rest wander for a while and then fly off. This map shows only those escapees: every pixel counts how many escaping paths passed through it on their way out.
left within 5,000 steps50050
Click anywhere to find one path that passes through that spot and watch it go.
Drag to move, scroll or pinch to zoom. Brightness adapts as you zoom, like eyes in the dark; [ ] nudge it, 0 resets. Esc clears a path.