A nuclear bomb is made of fissile material, such as uranium-235 or plutonium-239. These materials undergo a nuclear chain reaction that results in a powerful explosion. Additional components such as a triggering mechanism and explosive lenses are also included in the design of a nuclear bomb.
Russia developed its own atomic bomb by conducting extensive research and espionage on the American nuclear program. They successfully tested their first atomic bomb on August 29, 1949, becoming the second country to possess nuclear weapons after the United States.
The first bath bomb was made in Mo Constantine's kitchen in 1989, which eventually led to the creation of Lush Cosmetics.
Much of the design particulars are top secret-Q but basically you need a mass of fissile material (usually plutonium) large enough to be able to reach supercritical mass and support an uncontrolled nuclear reaction. The explosion is triggered by compressing the plutonium by an implosion to assemble the initially subcritical mass into a supercritical mass rapidly (a couple milliseconds). once the material reaches supercritical mass, a neutron source is fired through it to start the reaction at the optimal time. about 4µs to 7µs later the bomb explodes. The longer the design is able to hold the bomb together, the higher the yield when it does disassemble.
The first nuclear bombs were fission devices. The fissile materials used are Uranium 235 and Plutonium 239. Later bombs were thermonuclear or fusion weapons. The material used in some early experimental devices was tritium ( kept liquid at very low temperature). Modern thermonuclear devices use lithium 6 deuteride. Fusion weapons contain a small fission bomb to set them off. See the Related question for more information.
The nuclear material used to make the bombs was from Oak Ridge TN
1945
A nuclear bomb is made of fissile material, such as uranium-235 or plutonium-239. These materials undergo a nuclear chain reaction that results in a powerful explosion. Additional components such as a triggering mechanism and explosive lenses are also included in the design of a nuclear bomb.
Atom bomb dropped in Japan by the U.S. during WWII
it was first noticed with the nuclear bomb tests.
Uranium 235, or plutonium, depending on weapon design
In the test bomb, the material was plutonium. Plutonium was also used in one of the bombs dropped on Japan, Fat Man. Little Boy, the bomb dropped on Nagasaki, was made of uranium.
The first was made in the US. The purpose was originally to defend against the possibility of a Nazi bomb. 1945.
No one. The first nuclear device was not tested until July of 1945, and the first bomb was not produced (not used) until later that month.
Germany has not made a nuclear bomb.
No one person made any nuclear bomb. Different components were/are made by different people, then a team of a dozen or more do final assembly.
A nuclear bomb is made up of fissile material, such as uranium or plutonium, surrounded by conventional explosives. When the explosives are detonated, they compress the fissile material, causing a chain reaction of nuclear fission. This releases a massive amount of energy in the form of heat, light, and radiation, resulting in a powerful explosion.