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Issues
May 2000
ISSN 0002-9505
EISSN 1943-2909
In this Issue
GUEST COMMENT
ANNOUNCEMENT
PAPERS
The transformation of a main sequence star into a red-giant star in the core-and-shell model
Am. J. Phys. 68, 421–423 (2000)
https://doi.org/10.1119/1.19456
B and H, the intensity vectors of magnetism: A new approach to resolving a century-old controversy
Am. J. Phys. 68, 438–449 (2000)
https://doi.org/10.1119/1.19459
The magnetic field of current-carrying polygons: An application of vector field rotations
Am. J. Phys. 68, 469–474 (2000)
https://doi.org/10.1119/1.19461
Photon polarization measurements without the quantum Zeno effect
Am. J. Phys. 68, 475–481 (2000)
https://doi.org/10.1119/1.19462
NOTES AND DISCUSSIONS
NEW PROBLEMS
BOOK REVIEWS
Active Galactic Nuclei: From the Central Black Hole to the Galactic Environment
Am. J. Phys. 68, 489 (2000)
https://doi.org/10.1119/1.19463
Ergodic Lagrangian dynamics in a superhero universe
I. L. Tregillis, George R. R. Martin
A simple Minkowskian time-travel spacetime
John D. Norton
All objects and some questions
Charles H. Lineweaver, Vihan M. Patel
The most efficient thermodynamic cycle under general engine constraints
Christopher Ong, Shaun Quek
Kepler's Moon puzzle—A historical context for pinhole imaging
Thomas Quick, Johannes Grebe-Ellis
The surprising subtlety of electrostatic field lines
Kevin Zhou, Tomáš Brauner