An alignment chip (left) and a dynamometer beam (right).
A hinged polysilicon mirror and drive motors (left) and an indexing gear (right).
A close-up of a linear rack (left) and a rack height (right).
A spider mite standing on a mirror drive assembly (left) and a multiple gear speed reduction unit (right).
A torsional ratcheting actuator (left) and a close-up of the same device (right).
Footnote: I’m thinking neuroprostheses; they’re thinking WMDs.