{"id":"S93000202","label":"Casimir effect","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh93000202","normalized_label":"casimir effect","broader":["http://id.loc.gov/authorities/subjects/sh85041688","http://id.loc.gov/authorities/subjects/sh85141738"],"aliases":["Casimir force","Casimir forces","Effect, Casimir","Force, Casimir"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh93000202","provider":"lcsh","revision":"3487d703d1a71869","taxonomy_revision":"f050b5d4780b1289","title":"Casimir effect","url":"/topics/S93000202","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"54258699874746912","address_version":"morton4x16-v1","coordinates":[0,22,11336,10240],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}