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Log–log plot comparing the yield (in kilotonnes) and mass (in kilograms) of various nuclear weapons developed by the United States.. The explosive yield of a nuclear weapon is the amount of energy released such as blast, thermal, and nuclear radiation, when that particular nuclear weapon is detonated, usually expressed as a TNT equivalent (the standardized equivalent mass of trinitrotoluene ...
The adjacent photograph shows two unusual phenomena: bright spikes projecting from the bottom of the fireball, and the peculiar mottling of the expanding fireball surface. The surface of the fireball, with a temperature over 20,000 Kelvin , emits huge amounts of visible light radiation , more than 100 times the intensity at the Sun's surface.
Nukemap (stylised in all caps) is an interactive map using Mapbox [1] API and declassified nuclear weapons effects data, created by Alex Wellerstein, a historian of science at the Stevens Institute of Technology who studies the history of nuclear weapons.
Nuclear fission separates or splits heavier atoms to form lighter atoms. Nuclear fusion combines lighter atoms to form heavier atoms. Both reactions generate roughly a million times more energy than comparable chemical reactions, making nuclear bombs a million times more powerful than non-nuclear bombs, which a French patent claimed in May 1939.
It will occur only when the fireball is actually in the individual's field of vision and would be a relatively uncommon injury. Retinal burns may be sustained at considerable distances from the explosion. The height of burst and apparent size of the fireball, a function of yield and range will determine the degree and extent of retinal scarring.
Note that these are only for the fireball component of the explosion — radiation, blast, and heat would extend far beyond these distances (i.e. for the Tsar Bomba, anyplace with 6.56 km would receive 500 rems of radiation, there would be near total fatalities for the air blast within 9.95 km, structural damage at 26.26 km, and third-degree ...
In this shot, the fireball is about 20 m (66 ft) across. The spikes at the bottom of the fireball are known as the rope trick effect . The rapatronic camera (a portmanteau of rap id a ction elec tronic ) is a high-speed camera capable of recording a still image with an exposure time as brief as 10 nanoseconds .
The Indian Meteorological Department and the Atomic Energy Commission announced the yield of the weapon at 12 kt. Other Western sources claimed the yield to be around 2–12 kt. However, the claim was dismissed by the Bulletin of the Atomic Scientists and it was later reported to be 8 kt. [28]