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 ...

Certain areas of scientific research require atomically clean surfaces and low rates of contamination. In these instances, the ultra-high vacuum (UHV) environments are essential. There are a number of ...

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 ...