Do you like art? Do you like mystery? Do you like technology? We get the impression that at least some of you are either nodding in agreement, or mouthing the words, "Yes I do," over and over. If you're one of those lucky few, here's some information you might enjoy. Two artists at the Tesla gallery in Berlin have created fairly interesting works which also happen to have connections with technology and our perception of technology. The first is called Digit, wherein a writer sits at a table and runs his hand over a blank piece of paper; as his hand moves down the page, words appears as if by magic, though no mechanism for writing is visible to an observer. In the second piece, artist Martin Riches has created a random number generator, a complex system of wood and string which allows a steel ball to propel through the machine, eventually playing one of three instruments when its journey comes to an end. Interesting stuff, surely... but can it play Doom?