Evening Republican, Volume 23, Number 221, Rensselaer, Jasper County, 13 September 1920 — Velocity of Light [ARTICLE]

Velocity of Light

Physicists never, tife of efforts tn ipcrease the accuracy of their knowl-. edge of the fundamental facts of science. A redetermination of the. velocity of light by the Fitzean toothed wheel method was made at Nice. These experiments were remaASble on account of the great distance over. Which the beam of light employed was transmitted. Previously such a beam ted been caused to travel about fifteen miles but on this occasion the reflecting mirror was so placed that the total distance traversed by the beam, going end returning, was fifty-seven miles. mren of 1,100 observations gave for the velocity of light IfiMflfls miles a second.