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A bomb is an explosive weapon that uses the exothermic reaction of an explosive material to provide an extremely sudden and violent release of energy.
A nuclear weapon [a] is an explosive device that derives its destructive force from nuclear reactions, either fission (fission bomb) or a combination of fission and fusion reactions (thermonuclear bomb), producing a nuclear explosion. Both bomb types release large quantities of energy from relatively small amounts of matter.
Little Boy, the Hiroshima bomb, used 64 kg (141 lb) of uranium with an average enrichment of around 80%, or 51 kg (112 lb) of uranium-235, just about the bare-metal critical mass (see Little Boy article for a detailed drawing). When assembled inside its tamper/reflector of tungsten carbide, the 64 kg (141 lb) was more than twice critical mass ...
The 2009 war film The Hurt Locker features a BCB when the body of a young Iraqi boy is found to have been surgically implanted with an unexploded bomb. The 2015 video game Metal Gear Solid V: Ground Zeroes features two BCB's inside Paz, implanted by Skull Face as a set-up. One bomb is successfully removed, but the other explodes, killing Paz ...
The pits of the first nuclear weapons were solid, with an urchin neutron initiator in their center. The Gadget and Fat Man used pits made of 6.2 kg of solid hot pressed plutonium-gallium alloy (at 400 °C and 200 MPa in steel dies – 750 °F and 29,000 psi) half-spheres of 9.2 cm (3.6 in) diameter, with a 2.5 cm (1 in) internal cavity for the initiator.
The Cold War ended in 1991, but the looming threat of nuclear attack lives on with more than 14,900 nuclear weapons wielded by nine nations.. A terrorist-caused nuclear detonation is one of 15 ...
A B61 nuclear bomb in various stages of assembly; the nuclear warhead is the bullet-shaped silver canister in the middle-left of the photograph.. A warhead is the section of a device that contains the explosive agent or toxic (biological, chemical, or nuclear) material that is delivered by a missile, rocket, torpedo, or bomb.
Kirillov, who was chief of Russia's Nuclear, Biological and Chemical Protection Troops, was killed outside his apartment building along with his assistant when a bomb hidden in an electric scooter ...