What's the funniest engineering practical joke? One that involves a sales guy.
In the end, it seemed it HAD to involve a sales guy. Yes, there were fantastic pranks played on co-ops, on and new hires, on secretaries and purchasing agents, but in the end, nothing makes us laugh more than the misfortunes of a sales guy.
A team from IBM & ETH, Zurich, have put normally unwanted stochastic effects to good use. Making use of the fact that phase change devices are able to offer a more accurate representation of biological systems than perhaps any other solid state device.