Run, don’t walk, to play with the Mandelbrot Maps applet, which lets you play around with the Mandelbrot set while seeing the associated Julia sets *updated in real time*. This fantastic applet was created by Iain Parris, an MSc student of Philip Wadler at the University of Edinburgh. There’s even a short screencast of Iain explaining the math behind the Mandelbrot and Julia fractals and showing some of the cool things you can do with the applet.

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