3 papers
physics.ed-ph2020
A Century of Light-Bending Measurements: Bringing Solar Eclipses into the Classroom
Emanuele Goldoni, Ledo Stefanini
In 1919, Eddington and Dyson led two famous expeditions to measure the bending of light during a total solar eclipse. The results of this effort led to the first experimental confi…
physics.hist-ph2015
Newton's second law: not so elementary (as it may seem)
Ledo Stefanini, Giancarlo Reali
We propose an interpretation of the Newton's second law that is suggested by Galilean Relativity theory.
physics.optics2015
Light propagation in dielectric materials
Ledo Stefanini, Giancarlo Reali
We present a pedagogic derivation of the electromagnetic field established in a dielectric material by an impinging external field. We consider the problem from the point of view o…