Gravity-beating ultrasonic tweezers provide a sound route to bio-engineering

Pioneering ‘tweezers’ that use ultrasound beams to grip and manipulate tiny clusters of cells under electronic, push-button control could lead to life-changing medical advances, such as better cartilage implants that reduce the need for knee replacement operations.

from Phys.org – spotlight science and technology news stories http://ift.tt/1pqL4cu
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