Definitions

[Airicist]

Microrobotics (https://en.wikipedia.org/wiki/Microrobotics) on Wikipedia

Nanorobotics (https://en.wikipedia.org/wiki/Nanorobotics) on Wikipedia

Molecular machine (https://en.wikipedia.org/wiki/Molecular_machine) on Wikipedia

Nanobiotechnology (https://en.wikipedia.org/wiki/Nanobiotechnology) on Wikipedia