Frank Watson Dyson
Videos
Sir Frank Watson Dyson, KBE, FRS, FRSE was an English astronomer and the ninth Astronomer Royal. He is remembered today largely for introducing the Greenwich time signal to BBC radio, and for the role
Frank Watson Dyson
Dyson, fourth from the left, rides in an automobile; possibly during the Fifth Conference of the International Union for Co-operation in Solar Research, held in Bonn, Germany, 1913.
Dyson at the Fourth Conference International Union for Cooperation in Solar Research at Mount Wilson Observatory, 1910.
Eclipse photograph from 1919 expedition.
Greenwich Time Signal
Videos
The Greenwich Time Signal, popularly known as the pips, is a series of six short tones broadcast at one-second intervals by many BBC Radio stations to mark the precise start of each hour. The pips wer
Frank Watson Dyson
…FRS, FRSE (8 January 1868 – 25 May 1939) was an English astronomer and the ninth Astronomer Royal. He is remembered today largely for introducing the Greenwich time signal ("six pips") to BBC radio, and for the role he played in proving Einstein's theory of general relativity. Dyson was born in Measham, near Ashby-de-la-Zouch…
The machine used to generate the pips in 1970