Difference between revisions of "Libby Develops Radiocarbon Dating"
Revision as of 14:47, 3 February 2014
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.