{"id":"W1972102799","doi":"10.1119/1.2909753","title":"Magnetic Low-Friction Track","year":2008,"lang":"en","type":"article","venue":"The Physics Teacher","topic":"Experimental and Theoretical Physics Studies","field":"Physics and Astronomy","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia, Okanagan Campus; University of British Columbia; Thompson Rivers University","funders":"","keywords":"Track (disk drive); Cart; Test (biology); Magnetic levitation; Mechanical engineering; Computer science; Engineering; Geology; Magnet","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0009585863,0.0004075222,0.0005405214,0.001173467,0.001604378,0.001366142,0.001213212,0.001313587,0.01906704],"category_scores_gemma":[0.004847304,0.000240723,0.0002326416,0.001045823,0.0009029662,0.001681708,0.0009505769,0.000599469,0.003394153],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001091257,"about_ca_system_score_gemma":0.0007646348,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004056614,"about_ca_topic_score_gemma":0.004771817,"domain_scores_codex":[0.9985504,0.00014525,0.00007114774,0.0001941351,0.0008668727,0.0001722708],"domain_scores_gemma":[0.9973621,0.0005999672,0.0002792176,0.0004296767,0.001088165,0.0002410036],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.01195001,0.003806417,0.04342193,0.003590391,0.0002911513,0.002291153,0.002146405,0.01894818,0.2887045,0.07769446,0.09944373,0.4477116],"study_design_scores_gemma":[0.00185186,0.01938842,0.09923333,0.0005686725,0.0003741447,0.003804837,0.001408513,0.03421547,0.3901498,0.01069414,0.4378823,0.000428543],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.724566,0.002072442,0.0548542,0.001057323,0.001737065,0.0007373408,0.00347288,0.003919019,0.2075838],"genre_scores_gemma":[0.9459873,0.0003504253,0.01679914,0.0003782013,0.00008500316,0.0001777756,0.001495511,0.0002365977,0.03448989],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01906704,"threshold_uncertainty_score":0.06378561,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01310163855239481,"score_gpt":0.231093398548064,"score_spread":0.2179917599956691,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}