Carbon-14 is a radioactive isotope of carbon discovered February 27, 1940, by Martin Kamen and Sam Ruben. Its nucleus contains 6 protons and 8 neutrons. Its presence in organic materials is used in radiocarbon dating.
The half-life of carbon-14 is 5730 years. It decays into nitrogen-14 through beta-decay.
Kamen, Martin D. Radiant Science, Dark Politics: A Memoir of the Nuclear Age, Forward by Edwin M. McMillan, Berkeley: University of California Press, 1985.
Last updated: 05-13-2005 07:56:04