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American Association of Physics Teachers

AAPT is a professional membership association of scientists dedicated to enhancing the understanding and appreciation of physics through teaching. AAPT was established in 1930 with the fundamental goal of ensuring the "dissemination of knowledge of physics, particularly by way of teaching."

Recent Articles
Steven A. Balbus
in American Journal of Physics
We show by direct calculation that the common equivalence principle explanation for why gravity must deflect light is quantitatively incorrect by a factor of three in Schwarzschild geometry. It is, ...
Xinrui Li, Guangyuan Chen et al.
in American Journal of Physics
A capsule-shaped object, unlike a sphere, can rebound to a higher height than it is dropped from if it has an initial spin. In this paper, we compare two quantitative models of this phenomenon: an ...
Eric M. Edlund
in American Journal of Physics
Lagrange points are the equilibrium points within a restricted three-body system, epitomized by the Trojan asteroids near the L4 and L5 points of the Sun–Jupiter system. They also play a crucial role ...
Tom A. Kuusela
in American Journal of Physics
Narrowband laser sources are used in applications that require high-precision or stable optical frequency. Such applications include high-resolution spectroscopy, long-distance measurement, and ...

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