{"id":"https://openalex.org/W2974775853","doi":"https://doi.org/10.1119/1.5126819","title":"Robert A. Millikan and the Oil Drop Experiment","display_name":"Robert A. Millikan and the Oil Drop Experiment","publication_year":2019,"publication_date":"2019-09-19","ids":{"openalex":"https://openalex.org/W2974775853","doi":"https://doi.org/10.1119/1.5126819","mag":"2974775853"},"language":"en","primary_location":{"id":"doi:10.1119/1.5126819","doi":"https://doi.org/10.1119/1.5126819","is_oa":false,"landing_page_url":"https://doi.org/10.1119/1.5126819","pdf_url":null,"source":{"id":"https://openalex.org/S104921184","display_name":"The Physics Teacher","issn_l":"0031-921X","issn":["0031-921X","1943-4928"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","erih-plus","jufo-1","norway-1","poland-40","russia-white-list-3"],"host_organization":"https://openalex.org/P4310320254","host_organization_name":"American Association of Physics Teachers","host_organization_lineage":["https://openalex.org/P4310320254"],"host_organization_lineage_names":["American Association of Physics Teachers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Physics Teacher","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5072603777","display_name":"Isabel Bishop","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I153317226","display_name":"Coe College","ror":"https://ror.org/03chkg278","country_code":"US","type":"education","lineage":["https://openalex.org/I153317226"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Isabel Bishop","raw_affiliation_strings":["Coe College , Cedar Rapids, IA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Coe College , Cedar Rapids, IA","institution_ids":["https://openalex.org/I153317226"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058341865","display_name":"Siyu Xian","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I153317226","display_name":"Coe College","ror":"https://ror.org/03chkg278","country_code":"US","type":"education","lineage":["https://openalex.org/I153317226"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Siyu Xian","raw_affiliation_strings":["Coe College , Cedar Rapids, IA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Coe College , Cedar Rapids, IA","institution_ids":["https://openalex.org/I153317226"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5033663765","display_name":"Steve A. Feller","orcid":"https://orcid.org/0000-0002-5133-6132","observed_orcids":["https://orcid.org/0000-0002-5133-6132"]},"institutions":[{"id":"https://openalex.org/I153317226","display_name":"Coe College","ror":"https://ror.org/03chkg278","country_code":"US","type":"education","lineage":["https://openalex.org/I153317226"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Steve Feller","raw_affiliation_strings":["Coe College , Cedar Rapids, IA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Coe College , Cedar Rapids, IA","institution_ids":["https://openalex.org/I153317226"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I153317226"],"apc_list":null,"apc_paid":null,"fwci":4.6767,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.95553227,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":93,"max":96},"biblio":{"volume":"57","issue":"7","first_page":"442","last_page":"445"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T14475","display_name":"History of Science and Medicine","score":0.7997999787330627,"subfield":{"id":"https://openalex.org/subfields/1207","display_name":"History and Philosophy of Science"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T14475","display_name":"History of Science and Medicine","score":0.7997999787330627,"subfield":{"id":"https://openalex.org/subfields/1207","display_name":"History and Philosophy of Science"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12250","display_name":"Experimental and Theoretical Physics Studies","score":0.0722000002861023,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13495","display_name":"Biographical and Historical Analysis","score":0.0478999987244606,"subfield":{"id":"https://openalex.org/subfields/1202","display_name":"History"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/robert-millikan","display_name":"Robert A. Millikan","score":0.9990000128746033},{"id":"https://openalex.org/keywords/oil-drop-experiment","display_name":"oil drop experiment","score":0.9710000157356262},{"id":"https://openalex.org/keywords/history-of-physics","display_name":"history of physics","score":0.7229999899864197},{"id":"https://openalex.org/keywords/scientific-experimentation","display_name":"scientific experimentation","score":0.3799999952316284}],"concepts":[{"id":"https://openalex.org/C2993936978","wikidata":"https://www.wikidata.org/wiki/Q339619","display_name":"Nobel laureate","level":3,"score":0.631091296672821},{"id":"https://openalex.org/C2779220109","wikidata":"https://www.wikidata.org/wiki/Q50000","display_name":"Victory","level":3,"score":0.5912649035453796},{"id":"https://openalex.org/C146846114","wikidata":"https://www.wikidata.org/wiki/Q901448","display_name":"Einstein","level":2,"score":0.4652441740036011},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.46359390020370483},{"id":"https://openalex.org/C52119013","wikidata":"https://www.wikidata.org/wiki/Q50637","display_name":"Art history","level":1,"score":0.4211442172527313},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.41086986660957336},{"id":"https://openalex.org/C33332235","wikidata":"https://www.wikidata.org/wiki/Q18362","display_name":"Theoretical physics","level":1,"score":0.3652879595756531},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.357441782951355},{"id":"https://openalex.org/C124952713","wikidata":"https://www.wikidata.org/wiki/Q8242","display_name":"Literature","level":1,"score":0.27683597803115845},{"id":"https://openalex.org/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.2409248948097229},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.1654185950756073},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.16513150930404663},{"id":"https://openalex.org/C164913051","wikidata":"https://www.wikidata.org/wiki/Q482","display_name":"Poetry","level":2,"score":0.09776917099952698},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1119/1.5126819","doi":"https://doi.org/10.1119/1.5126819","is_oa":false,"landing_page_url":"https://doi.org/10.1119/1.5126819","pdf_url":null,"source":{"id":"https://openalex.org/S104921184","display_name":"The Physics Teacher","issn_l":"0031-921X","issn":["0031-921X","1943-4928"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","erih-plus","jufo-1","norway-1","poland-40","russia-white-list-3"],"host_organization":"https://openalex.org/P4310320254","host_organization_name":"American Association of Physics Teachers","host_organization_lineage":["https://openalex.org/P4310320254"],"host_organization_lineage_names":["American Association of Physics Teachers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Physics Teacher","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W1992622896","https://openalex.org/W2006754813","https://openalex.org/W2012918232","https://openalex.org/W2026000873","https://openalex.org/W2316761148","https://openalex.org/W4244518168"],"related_works":["https://openalex.org/W2082207057","https://openalex.org/W4321055741","https://openalex.org/W213144876","https://openalex.org/W4388402078","https://openalex.org/W2103810444","https://openalex.org/W1988787827","https://openalex.org/W2003560215","https://openalex.org/W2006209341","https://openalex.org/W2065536679","https://openalex.org/W2040442519"],"abstract_inverted_index":{"In":[0],"2018,":[1],"we":[2],"celebrated":[3],"the":[4,19,51,75,83,96,108,123,137,151,166,181,186,196,200],"sesquicentennial":[5],"birthday":[6],"of":[7,54,98,106,139,199],"Robert":[8],"A.":[9],"Millikan,":[10,112,209],"a":[11,103,116,146,162,205],"Nobel":[12],"laureate":[13],"in":[14,40,42,62,82,88,161,165,216],"physics":[15],"who":[16],"worked":[17],"among":[18],"greats":[20],"such":[21],"as":[22,34],"Niels":[23],"Bohr":[24],"and":[25,45,79,119,141,154,168,193,210],"Albert":[26],"Einstein.":[27],"His":[28],"name,":[29],"however,":[30],"is":[31],"perhaps":[32],"not":[33],"widely":[35],"known.":[36],"He":[37,73],"was":[38,61,115,126,204],"born":[39],"1868":[41],"Morrison,":[43],"IL,":[44],"moved":[46],"with":[47],"his":[48,70,155,213],"family":[49,156],"to":[50,95,149],"small":[52,206],"town":[53,66],"Maquoketa,":[55],"IA,":[56],"at":[57,172],"age":[58],"nine.":[59],"It":[60],"this":[63],"tiny":[64],"Iowan":[65],"that":[67,122],"Millikan":[68,133,143,153],"spent":[69],"foundational":[71],"years.":[72],"passed":[74],"time":[76],"playing":[77],"baseball":[78,99],"cooling":[80],"off":[81],"Maquoketa":[84],"River.":[85],"Millikan\u2019s":[86],"interest":[87],"experimentation":[89],"showed":[90],"early":[91],"on.":[92],"Local":[93],"changes":[94],"rules":[97],"sparked":[100],"controversy":[101],"over":[102],"new":[104],"type":[105],"pitch:":[107],"curve":[109,124,192],"ball.":[110],"Silas":[111,178],"Robert\u2019s":[113],"father,":[114],"college-educated":[117],"man":[118],"staunchly":[120],"maintained":[121],"ball":[125,182],"simply":[127],"an":[128],"optical":[129],"illusion,":[130],"but":[131],"young":[132],"knew":[134],"better.":[135],"With":[136,175],"help":[138],"brothers":[140],"cousins,":[142],"set":[144,157],"up":[145,158],"simple":[147],"experiment":[148,203],"prove":[150],"point.":[152],"three":[159],"poles":[160],"line":[163],"out":[164],"yard":[167],"repeatedly":[169],"pitched":[170],"curveballs":[171],"one":[173],"another.":[174],"careful":[176],"observation,":[177],"could":[179],"see":[180],"travel":[183],"straight":[184],"along":[185],"first":[187],"two":[188],"poles,":[189],"then":[190],"visibly":[191],"land":[194],"on":[195],"opposite":[197],"side":[198],"third.":[201],"This":[202],"victory":[207],"for":[208],"only":[211],"foreshadowed":[212],"later":[214],"investment":[215],"scientific":[217],"study.":[218]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":2}],"updated_date":"2026-10-06T10:28:23.643775","created_date":"2019-09-26T00:00:00"}