The BBC is reporting that Dundee Uni researchers have invented the sonic screwdriver. So, how does the Doctor Who device work?
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.
If it sounds like a push to describe this as a “sonic screwdriver” then note that it’s not the BBC who coined the phrase. The researchers coined the phrase. It seems likely that Doctor Who helped inspire the science.
