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Hafele and Keating aboard a commercial airliner, with two of the atomic clocks One of the actual HP 5061A Cesium Beam atomic clock units used in the Hafele–Keating experiment. The Hafele–Keating experiment was a test of the theory of relativity. In 1971, [1] Joseph C. Hafele, a physicist, and Richard E. Keating, an astronomer, took four ...
Minkowski diagram. The muon emerges at the origin (A) by collision of radiation with the upper atmosphere. The muon is at rest in S′, so its worldline is the ct′-axis. The upper atmosphere is at rest in S, so its worldline is the ct-axis. Upon the axes of x and x′, all events are present that are simultaneous with A in S and S ...
In 1971, the Hafele (ha-fi-la) and Keating Experiment flew four atomic clocks on airplanes going around the world and compared the time-shift from those clocks to the atomic clock at the National ...
Joseph Carl Hafele (25 July 1933 – 15 November 2014) was an American physicist best known for the Hafele–Keating experiment, [1] a test of Einstein's theory of general relativity. [ 2 ] Hafele was an apprentice welder when he was drafted to serve in the army during the Korean War.
Richard E. Keating (29 May 1941 – 5 Oct 2006) was an American astronomer best known for the Hafele–Keating experiment, [1] [2] a test of Einstein's theory of relativity [3] performed while he was working at the United States Naval Observatory.
Background Chlorine and caustic soda are produced at chlor-alkali plants using mercury cells or the increasingly popular membrane technology that is mercury free and more energy-
The Hafele–Keating experiment is also recognized as a counterpart to Sagnac effect physics. [38] In the actual Hafele–Keating experiment [39] the mode of transport (long-distance flights) gave rise to time dilation effects of its own, and calculations were needed to separate the various contributions. For the (theoretical) case of clocks ...
1972 – Joseph Hafele and Richard Keating perform the Hafele–Keating experiment. [182] [183] [184] 1972 – Richard H. Price studies gravitational collapse with numerical simulations. 1972 – Saul Teukolsky derives the Teukolsky equation. [185] 1972 – Yakov B. Zel'dovich predicts the transmutation of electromagnetic and gravitational ...