The same materials as used in other bombs, plus nuclear fuels: Uranium-235, Plutonium-239, Deuterium, Tritium, Lithium Deuteride.
For details see Richard Rhodes books:
Plutonium is a man-made actinide element that is produced in nuclear reactors and nuclear weapons. It is used as a fuel in nuclear reactors and in the production of nuclear weapons.
The first nuclear weapons were developed in the united States under the Manhattan Proyect which made the first nuclear bombs.
1945
Yes, nuclear weapons can be scrapped. The radioactive materials can be used in nuclear power plants.
India is already a nuclear power, and they have nuclear weapons on hand. They have already made the decision to "encourage" nuclear weapons, and presumably for increasing their own security.
US, Manhattan Project.
Any decision by the UK to go to war, or to launch nuclear weapons, would have to be made by Parliament.
Those that are nuclear, such as the nuclear bombs.
Nuclear weapons are made by the process of nuclear fission or fusion. This involves splitting or combining atomic nuclei to release an enormous amount of energy. The materials needed for nuclear weapons, such as uranium or plutonium, are obtained through the enrichment process.
Zambia does not have nuclear weapons.
In nuclear weapons depots.
Yes, Nuclear weapons create the biggest man-made explosions