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The Mark 7 was a variable-yield fission weapon that used a levitated pit and an implosion design with 92 high-explosive lenses. The weapon had multiple yields of 8, 19, 22, 30, 31, and 61 kt by using various weapon pits. [4] The weapon had airburst and contact fuzing modes. The weapon used in flight insertion for safing and later versions of ...
The International Nuclear and Radiological Event Scale (INES) was introduced in 1990 [1] by the International Atomic Energy Agency (IAEA) in order to enable prompt communication of safety significant information in case of nuclear accidents. The scale is intended to be logarithmic, similar to the moment magnitude scale that is used to describe ...
Course Setting Bomb Sight. The CSBS Mk. IX mounted in a Fairey Battle. The bomb aimer is sighting through the white ring-shaped backsights to the pin shaped foresights (just visible against the armoured cable) and holding the bomb release switch in his right hand. The Course Setting Bomb Sight (CSBS) is the canonical vector bombsight, the first ...
A separation between the upper mushroom head and the stem is visible. This photograph and its vaguely question mark appearance was used as the inspiration for the insignia of the Manhattan Engineer District, and was widely reprinted globally within days of the attack. The bomb was dropped at approximately 08:15 (JST) on 6 August 1945.
In nuclear weapon design, the pit is the core of an implosion nuclear weapon, consisting of fissile material and any neutron reflector or tamper bonded to it. Some weapons tested during the 1950s used pits made with uranium-235 alone, or as a composite with plutonium. [1] All-plutonium pits are the smallest in diameter and have been the ...
The left end consisted of electromechanical computing components. The right end included data and program readers, and automatic typewriters. The Harvard Mark I, or IBM Automatic Sequence Controlled Calculator (ASCC), was one of the earliest general-purpose electromechanical computers used in the war effort during the last part of World War II.
One example of a highly automated system of this type was the RAF's Mark XIV bomb sight. The Norden worked in an entirely different fashion, based on the "synchronous" or "tachometric" method. Internally, the calculator continually computed the impact point, as was the case for previous systems.
Nuclear weapon design. The first nuclear explosive devices provided the basic building blocks of future weapons. Pictured is the Gadget device being prepared for the Trinity nuclear test. Nuclear weapon designs are physical, chemical, and engineering arrangements that cause the physics package [1] of a nuclear weapon to detonate.