# Nuclear physics--Research--United States { "id": "S2010103936", "title": "Nuclear physics--Research--United States", "url": "/topics/S2010103936", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "367b002a66bed3e7", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "19215366425289314", "address_version": "morton4x16-v1", "coordinates": [ 0, 479, 16130, 0 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh2010103936 No owner-reviewed local answer yet.