A nuclear explosion occurs when a nuclear weapon, like an atomic bomb, is detonated. This explosion releases an enormous amount of energy in the form of heat, light, and radiation. The blast can destroy buildings and cause severe damage over a wide area. The intense heat can ignite fires, while the radiation can harm living beings and the environment. The effects of a nuclear explosion can last for years. Areas affected by the explosion may become uninhabitable due to radiation, leading to long-term health issues for survivors. The aftermath often requires extensive cleanup and recovery efforts, impacting communities and economies, as seen in the aftermath of the Hiroshima and Nagasaki bombings during World War II.