Libby Develops Radiocarbon Dating: Difference between revisions
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'''This article is a stub. Please help expand the article by using the edit tab.''' | '''This article is a stub. Please help expand the article by using the edit tab.''' | ||
[[Image:Atomic Clock.jpg|thumb|right|Louis Essen standing next to the world's first atomic clock (1955).]] | [[Image:Atomic Clock.jpg|thumb|right|Louis Essen standing next to the world's first atomic clock (1955).]] | ||
In 1948, Willard Frank Libby developed the theory of an atomic clock and [[Charles Townes|Charles Hard Townes]] took the research further by using an ammonia molecule. In 1955, Louis Essen built the first accurate atomic clock when he used cesium, which is the current timekeeping standard. | In 1948, Willard Frank Libby developed the theory of an atomic clock and [[Charles Townes|Charles Hard Townes]] took the research further by using an ammonia molecule. In 1955, Louis Essen built the first accurate atomic clock when he used cesium, which is the current timekeeping standard. | ||
[[Category:Measurement]] [[Category:Time_measurement]] [[Category:Engineered_materials_& | '''See also:''' [[Oral-History:Charles Townes (1991)|Charles Townes' 1991 Oral History]], [[Oral-History:Charles H. Townes (1992)|Charles Townes' 1992 Oral History]] | ||
[[Category:Measurement]] | |||
[[Category:Time_measurement]] | |||
[[Category:Engineered_materials_&_dielectrics]] | |||
Revision as of 20:05, 3 February 2012
This article is a stub. Please help expand the article by using the edit tab.
In 1948, Willard Frank Libby developed the theory of an atomic clock and Charles Hard Townes took the research further by using an ammonia molecule. In 1955, Louis Essen built the first accurate atomic clock when he used cesium, which is the current timekeeping standard.
See also: Charles Townes' 1991 Oral History, Charles Townes' 1992 Oral History
