An expanding sphere of civilization/technology, spreading outwards using von Neumann Probes or simple colonization. Judging from how most life behaves, it will gradually restructure matter and energy inside itself in various ways.
 The totality of AI-ruled space.
- Nanosphere - Text by M. Alan Kazlev
Generally, the part of a — usually nanoindustrialised or nanodeveloped — world (or more rarely habitat) that is pervaded or saturated by nanodevices — the realm of nano-interaction. Typical angelnets for example constitute a nanosphere.
Text by Mitchell Porter in Anders Sandberg's Transhuman Terminology
Initially published on 09 January 2002.