How to Listen for the Sound of Plutonium - New York Times

How to Listen for the Sound of Plutonium - New York Times: "How to Listen for the Sound of Plutonium


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By DAVID E. SANGER and WILLIAM J. BROAD
Published: January 31, 2006

WASHINGTON, Jan. 30 — In March 2004, the science and technology directorate of the Central Intelligence Agency called a secret meeting of hundreds of the government's top experts in nuclear intelligence to address a problem that had bedeviled Washington for decades: how to know, with precision, when a country is about to cross the line and gain the ability to build an atomic bomb."