Kartta — Julia

While it looks like a simple GPS tracker, the "Julia" ecosystem is actually a robust data platform. Beyond the visual map, users can access detailed train schedules and historical data reaching back to 2014. Key Features of the Map

Julia maps, also known as Julia sets, are a type of fractal that is closely related to the Mandelbrot set. They are named after the French mathematician Gaston Julia, who first studied them in the 1910s.