Science: What does nuclear deterrence mean? An active defense? Strategic defense? What constitutes a nuclear explosion? Precise definitions are critical for everything from negotiating treaties to interpreting
military postures of ally and adversary alike. On 20 November, the U.S. National Academies unveiled the first Chinese-English glossary of nearly 1000 nuclear-security terms.* The compendium seeks to reduce misunderstandings between China and the United States--nuclear powers that came into conflict in the Korean War and could conceivably be in confrontation again