{"id":"W2024291137","doi":"10.1119/1.880459","title":"Measuring the speed of sound in a solid","year":2000,"lang":"en","type":"article","venue":"The Physics Teacher","topic":"Experimental and Theoretical Physics Studies","field":"Physics and Astronomy","cited_by":5,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto","funders":"","keywords":"Oscilloscope; Speed of sound; Acoustics; Sound (geography); Pulse (music); Physics; Speed of light (cellular automaton); Pulse wave; Optics; Electrical engineering; Engineering","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001365592,0.000113005,0.0001546635,0.000005251866,0.0001101684,0.00001490928,0.0002341734,0.000009646772,0.0004275394],"category_scores_gemma":[0.000001193537,0.00006039441,0.00009883952,0.000124971,0.0002721017,0.00004875836,0.00006496408,0.0001790909,0.00008763992],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001058874,"about_ca_system_score_gemma":0.00000789423,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002280756,"about_ca_topic_score_gemma":0.000001840932,"domain_scores_codex":[0.9993643,0.00006494052,0.0001434637,0.000109767,0.000132022,0.0001854955],"domain_scores_gemma":[0.9996113,0.00006278895,0.00004048036,0.0002533345,0.00001472917,0.00001740713],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.00003369995,0.0005040767,0.006901297,0.00000450059,0.0001416892,2.041463e-7,0.008268587,0.0004862397,0.003881079,0.9654725,0.0001172246,0.01418891],"study_design_scores_gemma":[0.0002335425,0.00001464259,0.0008590323,0.00001350251,0.00001831048,7.271235e-8,0.001056506,0.0003453376,0.01222072,0.9850663,0.00007985948,0.00009215619],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.6351826,0.00005303848,0.0001025612,0.0001890666,0.00001952281,0.0001123055,0.000003463809,0.000007296894,0.3643302],"genre_scores_gemma":[0.9988304,0.000001639668,0.00000813428,0.00003577158,0.0002969242,0.00001253371,0.000001884974,0.00001266744,0.0008000522],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3636478,"threshold_uncertainty_score":0.4681257,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02571693954332035,"score_gpt":0.2673431636916504,"score_spread":0.24162622414833,"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."}}