termoydinräjähdys

Termoydinräjähdys refers to a type of nuclear explosion that occurs when a nuclear weapon undergoes a fission-fusion-fission reaction. This process is also known as a boosted fission weapon or a thermonuclear weapon, though it's a less powerful variant than a pure fusion device. The core of a termoydinräjähdys is a fission device, typically plutonium-based, which initiates the chain reaction. This initial fission explosion releases a significant amount of energy, including a large flux of neutrons. These neutrons then strike a surrounding tamper, which is usually made of uranium. The uranium, in turn, undergoes fission, adding to the overall yield of the explosion. The term "thermonuclear" in this context refers to the high temperatures generated by the fission process, which are sufficient to initiate fusion reactions in a separate stage, but the primary energy release in a termoydinräjähdys comes from the fission stages. This design allows for a higher yield than a pure fission weapon of comparable size and weight. Termoydinräjähdys weapons were a significant development in nuclear weapons technology, offering increased efficiency and yield compared to earlier designs.