If you can see your shoes, you hate America– Bill Maher
Doctor Who's sonic screwdriver 'invented' at... →
doctorwho: Scientists claim to have invented their own version of Doctor Who’s famous sonic screwdriver. The Dundee University researchers have created a machine which uses ultrasound to lift and rotate a rubber disc floating in a cylinder of water. It is said to be the first time ultrasound waves have been used to turn objects rather than simply push them. The study could help make surgery...