![]() ![]() Between long waves and shortwaves lie visible wavelengths that contain energy that our eyes perceive as colors. ![]() The atomic weapons used in the 1945 attacks were fueled by uranium 235 and plutonium 239 and released a massive amount of heat and very shortwave, gamma radiation.Įnergy flows as photon waves of varying lengths, including in long waves, like radio waves, and in shortwaves, like X-rays and gamma-rays. "This reaction splits about a trillion, trillion atoms in that period of time before the reaction stop." "The chain reaction occurs in a pattern of exponential growth that last a millisecond or so," said Alex Wellerstein, an assistant professor of science and technology studies at the Stevens Institute of Technology in New Jersey. ![]() The initial collision sets off a chain reaction that continues until all of the parent material is exhausted. (An isotope is an element with varying numbers of neutrons in its nucleus.) During the collision, the element's nucleus is broken apart, releasing a large amount of energy. According to the Atomic Heritage Foundation, a nonprofit based in Washington, D.C., fission occurs when a neutron strikes the nucleus of a heavy atom, like the isotopes uranium 235 or plutonium 239. The intense energy released during an atomic explosion is the result of nuclear fission. ![]()
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