That night Athena had a really weird dream. She was sitting at a very small desk watching a purple horse who was pointing at a large waxed poster on the wall. "This," said the horse, "is a Mandelbrot, proving that even though maths is horribly boring it can still produce beautiful things." She woke up with an absolutely crystal clear memory of where she had seen the Mandelbrot set before. It was years ago when she was first learning maths and finding it really difficult. "I hate it!" ...