# Nanotechnology { "id": "S91001490", "title": "Nanotechnology", "url": "/topics/S91001490", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "b78113d0f85ab7cc", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "5207428081580655170", "address_version": "morton4x16-v1", "coordinates": [ 0, 21, 45642, 18432 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } Here are entered works on techniques that produce or measure features less than 100 nanometers in size. Works on the technology of scaling down machines to microscopic size are entered under [Microtechnology.] Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh91001490 No owner-reviewed local answer yet.