Contactless manipulation is usable in robotics, microchips, and other nanotechnology.

The new metasurface material allows to manipulation of objects without internal power sources. The system manipulates a comb-looking structure will by using outcoming soundwaves. That thing makes resonance in that structure. The prongs of the comb transmit those soundwaves between them. And then that structure can operate as sound tweezers. 

Traditional sound wave-based hovering system requires that objects are smaller than sound waves. The soundwave-based levitation system can use a layer. The loudspeakers can aim sound waves at that layer. If there are small towers in that layer the soundwaves can cross between them. And that allows putting small machine parts to hover between those small towers. 

Manipulating objects without touching them by using sound waves is one of the most fantastic ideas in the world. The idea is that the sound waves are making objects hover above the layer. And then by controlling the symmetry of those soundwaves. The controller can move objects over the special layer where the loudspeakers are. 

The difference between soundwave-based manipulation. And magnetic manipulation is when the soundwaves do not affect the object's magnetization. And that allows developers to assemble extremely small microchips to the extremely small machines. 

When those loudspeakers are hovering objects above a special layer. The system can use LRAD- or aimed soundwaves to move objects in the wanted direction. The system can be very accurate. And one place where that pressure-based system can be useful is in synthetic chemical environments. There is possible that small bites of molecules can turn by using extremely thin sound waves. 

The problem with magnetic manipulation is that the system will affect the magnetization and kernel programming of nano-size microchips. Assembling nanomachines and very small microchips require an extremely high purity level. The operators must not touch those micro components.

Because if they touch something those parts will lose their electricity. In nanomechanics, sometimes the electric polarity of those extremely small objects acts like glue. And that thing requires the ability to move those objects without touching them. The ability to move objects without contact is necessary in some cases. Where molecular-size machines are in an assembly line. 

https://scitechdaily.com/not-science-fiction-a-new-method-to-move-objects-without-contact/

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