Nanotechnology

An application of molecular nanotechnology is "utility fog", in which a cloud of networked microscopic robots (simpler than assemblers) would change its shape and properties to form macroscopic objects and tools in accordance with software commands.
Rather than modify the current practices of consuming material goods in different forms, utility fog would simply replace many physical objects.
Utility fog (coined by Dr. John Storrs Hall) is a hypothetical collection of tiny robots that can (...)