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A pair of researchers, one with the Public University of Navarre, the other with the University of Bristol, has developed a system of holographic acoustic tweezers that can be used to manipulate multiple objects simultaneously in 3-D space. Asier Marzo and Bruce Drinkwater describe their tweezers and possible uses for them in their paper published in the Proceedings of the National Academy of Sciences.
Holographic laser tweezers are familiar to researchers, but they can only be used to move around micro-scale objects. In this new effort, Marzo and Drinkwater take the idea of holographic tweezers into the realm of sound and in so doing have created a system capable of manipulating a host of larger objects simultaneously.
The article shows various macro-scale objects the researchers have been able to manipulate. They suggest the technology can be refined to perform non-invasive surgery, among other applications.
Sonic screwdrivers, here we come?
(Score: 2) by Freeman on Wednesday December 19 2018, @06:53PM
You're assuming, that same acoustic signal wouldn't harm most other living things in the world. That's unlikely, especially in the case of Mammals.
Joshua 1:9 "Be strong and of a good courage; be not afraid, neither be thou dismayed: for the Lord thy God is with thee"