SIR JOSEPH LARMOR has kindly pointed out to me that it is incorrect, in the interpretation of Fizeau's experiment, to assume that the velocity of propagation of light is the group velocity, so that I ...

IN two papers published in the Proceedings of the Amsterdam Academy (vol. xvii., 445, 1914; vol. xviii., 398, 1915) an experimental investigation concerning Fresnel's convection-coefficient for light ...

Due to their stable design, Fizeau interferometers are used to determine the topography of surfaces such as, e.g., plane surfaces. PTB has now developed a method which makes it possible to analyze ...

The road in Paris named after French physicist Hippolyte Fizeau, as drawn by an artist in 1896. (Credit: F Séguin, Dessinateur. Musée Carnavalet, Histoire de Paris. D.10405) An 1851 experiment in ...