Crave - A whole new way of looking at ultrasound: You can touch it, Ep. 185
Crave - A whole new way of looking at ultrasound: You can touch it, Ep. 185
2014-12-08
hey guys my name is Steven B Sherman
here just happening this week that's
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crazy baby calm a team of researchers at
the University of Bristol in the
department of computer science are using
ultrasound technology to create a
three-dimensional shape in midair that
can be touched and seen by a user
ultrasound produces an effect known as
acoustic radiation force which the
researchers found can be focused into
complex patterns in such a way as to
cause an air disturbance
using this property of ultrasound the
researchers are able to create 3d haptic
shapes in midair so that users can feel
those air disturbances on the skin
moreover those patterns can then be
formed into different 3d shapes
according to a paper published by the
research group and the journal ACM
transactions on graphics this approach
applies to the principles of acoustic
radiation force we're by the nonlinear
effects of sound produced forces on the
skin which are strong enough to generate
tactile sensations the user perceives a
discernable haptic shape then the
corresponding acoustic interference
pattern is generated above a precisely
controlled two-dimensional phased array
of ultrasound transducers I don't know
does this look real I don't know leave
leave a comment tell me if you think
it's real all right guys that's a show
thank you very much for watching as
always you can find all these news
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