Piet

If you are interested in work that traverses and questions notions of art, programming and science, check out this web site. 'Piet' by David Morgan (see
http://www.dangermouse.net/esoteric/piet/samples.html) is a (functional if
limited) programming language, written in graphical blocks - so that the programme to print out 'Hello World' can look like a work by Mondrian.