Only magnets and muscles A magnetically controlled prosthetic hand provides fine control of finger motion, enabling the user to perform everyday tasks such as pouring ...
Researchers have created a new magnetically controlled capsule that can be ‘driven’ around the stomach using joysticks to take images of areas of interest. It's unlike other pill cams that rely on the ...
Rolling-ring drives are friction drives that convert the constant rotary motion of a plain shaft into a traversing action that moves an attached carriage. Used in positioning and reciprocating ...
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