[Worldbuilding] Divergent, retro and other 'not of this world' Computers and Software

[johndallman]

Originally Posted by Anaraxes

We still don't know how to make tiny gears and cams.

We're making real progress on that. Making the parts is fairly easy with mask-and-etch techniques derives from integrated circuit fabrication. I get the impression that assembling them into large systems may be harder.