Researchers at Dundee University have created a device that uses ultrasonic waves to not only push and pull objects, but turn them.
I had to do some quick fact-checking to make sure that Dundee University wasn't in fact in Cardiff, lest this be a security leak from Torchwood, but Dundee University is in Dundee, Scotland.
There is an accompanying video but it is not exciting. Much like watching paint dry, but if you want to see it I've inserted it after the break.
Don't say I didn't warn you.
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