Nuclear Warfare
Nuclear warfare, also known as atomic warfare, is a military conflict or prepared political strategy that deploys nuclear weaponry. Nuclear weapons are weapons of mass destruction; in contrast to conventional warfare, nuclear warfare can produce significantly more destruction in a much shorter time and can have a long-lasting radiological result. A large nuclear exchange would kill hundreds of millions of people. It would have long-term effects, from the fallout released, and could also lead to secondary effects, such as nuclear winter, nuclear famine, and societal collapse. A global nuclear war with current national stockpiles may lead to various devastating scenarios, including human extinction.
As of 2026, the first and only use of nuclear weapons in armed conflict was the United States atomic bombings of Hiroshima and Nagasaki, on August 6 and 9, 1945, in the final days of World War II. The two bombings resulted in the deaths of between 150,000 and 246,000 people. A debate continues over ethical, legal, and military aspects of the bombings, including their role in the surrender of Japan.
The Cold War prompted the nuclear arms race. Nuclear weapons were later developed by the Soviet Union (1949), the United Kingdom (1952), France (1960), and China (1964). In 1974, India, and in 1998, Pakistan, with a history of conflict, developed nuclear weapons. Israel (1960s) and North Korea (2006) also developed nuclear weapons. South Africa manufactured several complete nuclear weapons in the 1980s, but during the 1990s, it became the only country to eliminate its domestically produced nuclear arsenal, and abandon further nuclear weapon production. Nuclear weapons have been detonated on over 2,000 occasions for various testing purposes.
Countries have increased their readiness to carry out strategic and tactical nuclear attacks in response to intensifying conflicts, including the Korean War, First and Second Taiwan Strait Crises, Cuban Missile Crisis, Vietnam War, Sino-Soviet border conflict, Yom Kippur War, Gulf War, and Russo-Ukrainian war. The 1962 Cuban Missile Crisis, between the nuclear superpowers of the U.S. and Soviet Union, is often considered the closest call with a nuclear exchange and possible World War III. Additionally, nuclear attack early warning systems have sometimes produced false alarms, increasing the risk of nuclear war, such as Soviet satellites in 1983 and Russian radar in 1995.
After the dissolution of the Soviet Union in 1991 and the resultant end of the Cold War, the threat of a major nuclear war between the U.S. and Soviet Union has declined. Concern shifted to the prevention of localized nuclear conflicts resulting from nuclear proliferation, and the threat of nuclear terrorism. However, the threat of nuclear war is considered to have resurged since the start of the current phase of the Russo-Ukrainian war in 2022, particularly with regard to Russian threats to use nuclear weapons during the war.
Since 1947, the Doomsday Clock of the Bulletin of the Atomic Scientists has visualized how close the world is to a nuclear war. The Doomsday Clock reached a high point in 1953, when the Clock was set to two minutes until midnight after the U.S. and the Soviet Union began testing hydrogen bombs, and in 2018, following the failure of world leaders to address tensions relating to nuclear weapons and climate change issues. Since 2026, the Clock has been set at 85 seconds to midnight, the closest it has ever been.
Lobotomy
- 2020-08-28T00:00:00.000000Z
Nuclear War
- 2026-02-24T00:00:00.000000Z
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