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Measuring the balance of the world's largest machine
The harmonic quantum Szilárd engine
Single-, double-, and triple-slit diffraction of molecular matter
waves
EDITORIAL
RESOURCE LETTERS
Resource Letter BP-1: Biological physics
Am. J. Phys. 89, 1071–1078 (2021)
https://doi.org/10.1119/5.0060279
PAPERS
Using smartphone photographs of the Moon to acquaint students with non-Euclidean geometry
Am. J. Phys. 89, 1079–1085 (2021)
https://doi.org/10.1119/10.0006156
Measuring the balance of the world's largest machine
Am. J. Phys. 89, 1086–1093 (2021)
https://doi.org/10.1119/10.0005989
An exact solution for a particle in a velocity-dependent force field
Am. J. Phys. 89, 1103–1112 (2021)
https://doi.org/10.1119/10.0005992
Classical and quantum confocal parabolic billiards
Am. J. Phys. 89, 1113–1122 (2021)
https://doi.org/10.1119/10.0006018
The harmonic quantum Szilárd engine
Am. J. Phys. 89, 1123–1131 (2021)
https://doi.org/10.1119/10.0005946
Single-, double-, and triple-slit diffraction of molecular matter
waves
Am. J. Phys. 89, 1132–1138 (2021)
https://doi.org/10.1119/5.0058805
ADVANCED TOPICS
Williamson theorem in classical, quantum, and statistical physics
Am. J. Phys. 89, 1139–1151 (2021)
https://doi.org/10.1119/10.0005944
INSTRUCTIONAL LABORATORIES AND DEMONSTRATIONS
Ultrafast optics with a mode-locked erbium fiber laser in the undergraduate laboratory
Am. J. Phys. 89, 1152–1160 (2021)
https://doi.org/10.1119/10.0005890
