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[[Image:Nevada test site.jpg|thumb|right|The Nevada Nuclear Test Site where the first nuclear weapons were tested]]A '''nuclear weapon''' is a [[bomb]] which derives its destructive force from an uncontrolled nuclear detonation, releasing massive amounts of thermal, and (as a byproduct), radioactive energy.  Conventional weapons use a chemical reaction as the source of their explosive force.

[[Image:Nevada test site.jpg|thumb|right|The Nevada Nuclear Test Site where the first nuclear weapons were tested]]A '''nuclear weapon''' is an explosive device which derives its destructive force from an uncontrolled nuclear detonation, releasing massive amounts of thermal, and (as a byproduct), radioactive energy.  Conventional weapons use a chemical reaction as the source of their explosive force.

Nuclear weapons usually have dramatically more destructive power than conventional weapon, where the power of a nuclear weapon is measured in kilotons.  One kiloton has the equivalent explosive force of 1,000 tons of [[TNT]].

Nuclear weapons usually have dramatically more destructive power than conventional weapon, where the power of a nuclear weapon is measured in kilotons.  One kiloton has the equivalent explosive force of 1,000 tons of [[TNT]].