Entity: NUCLEAR-REACTOR
A nuclear reactor is a device that sustains a controlled fission nuclear chain reaction, producing heat energy used to generate power. It is crucial for electricity production, marine propulsion, weapons production, and research.
NUCLEAR REACTOR
Etymology
The term 'nuclear reactor' originates from the combination of 'nuclear' referring to the atomic nucleus and 'reactor' indicating a device that initiates and controls a reaction.
Definition
A nuclear reactor is a device used to sustain a controlled fission nuclear chain reaction, producing heat energy that is utilized for various purposes such as electricity generation, marine propulsion, weapons production, and research.
Historical Context
Nuclear reactors have played a significant role in the development of nuclear technology since the mid-20th century. The first nuclear reactor, Chicago Pile-1, was constructed in 1942 as part of the Manhattan Project.
Cultural Significance
Nuclear reactors have sparked debates on the safety and environmental impact of nuclear energy. They are also associated with concerns regarding nuclear accidents and the proliferation of nuclear weapons.
Related Concepts
- Nuclear energy
- Fission reactors
- Fusion reactors
See Also
- Nuclear power
- Nuclear physics
- Radioactive waste
A device used to sustain a controlled fission nuclear chain reaction, generating heat energy for various applications.