Fizeau is a 6 letter English word.
You can make 38 anagrams from letters in Fizeau (aefiuz).
The velocity of light was experimentally found, in 1862, by Fizeau and Foucault, each using an independent method.
I shall endeavor to make the principle of Fizeau's apparatus clear to you.
Wheatstone's device of the revolving mirror was afterwards employed by Foucault and Fizeau to measure the velocity of light.
Fizeau's method will then permit us to arrive at a close approximation.
A measurement of the kind referred to was executed in 1849 by Fizeau (born at Paris in 1819).
Fizeau was unable to observe interference when the difference of path amounted to 50,000 wave lengths.
Fizeau, from experiments which he conducted on running water, also came to the same conclusion.
The only positive result ever supposed to be attained was in a very difficult polarisation observation by Fizeau in 1859.
This experiment has now been made in a highly refined form by Fizeau, and repeated by M. Cornu with prodigious care and accuracy.
In 1845 Foucault and Fizeau took a daguerreotype photograph of the sun.