April 2012
217 posts
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“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...
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