Nuclear weapons have only twice been used in warfare, both times by the United States against Japan at the end of World War II. On August 6, 1945, the United States Army Air Forces (USAAF) … See more

The system used to deliver a nuclear weapon to its target is an important factor affecting both nuclear weapon design and nuclear strategy. The design, development, and maintenance of delivery systems are among the most expensive parts of a nuclear … See more

Because they are weapons of mass destruction, the proliferation and possible use of nuclear weapons are important issues in … See more

Effects of nuclear explosions on human health
Some scientists estimate that a nuclear war with 100 Hiroshima-size nuclear explosions on cities … See more

There are two basic types of nuclear weapons: those that derive the majority of their energy from nuclear fission reactions alone, and those … See more

Nuclear warfare strategy is a set of policies that deal with preventing or fighting a nuclear war. The policy of trying to prevent an attack by a nuclear weapon from another … See more

Ethics
Even before the first nuclear weapons had been developed, scientists involved with the See more