Nuclear reactors are primarily used to generate electricity by harnessing the energy released from nuclear fission.

Nuclear reactors can use uranium, plutonium, or thorium as fuel, depending on the reactor design.

Nuclear fuel is consumed in a reactor through the process of fission, where the nuclei of atoms are split apart, releasing energy.

Water is the most commonly used primary coolant in nuclear reactors due to its high heat capacity and availability.

Control rods serve multiple purposes, including regulating power level, preventing overheating, and absorbing neutrons to control the fission process.

The emergency core cooling system is the primary safety system in a nuclear reactor, designed to prevent core damage in the event of a loss of coolant accident.

The containment structure is a robust structure designed to prevent the release of radioactive material into the environment in the event of an accident.

Nuclear power plant operators are responsible for monitoring and controlling the reactor, performing maintenance and repairs, and refueling the reactor.

The typical lifespan of a nuclear power plant is around 40-50 years, although some plants may operate for longer periods with proper maintenance and upgrades.

Nuclear power generation produces various types of waste, including spent nuclear fuel, radioactive gases, and liquid radioactive waste.

Pressurized water reactors are the most common type of nuclear reactor in operation today, accounting for around two-thirds of the world's nuclear power generation.

The nuclear fuel cycle encompasses all stages of nuclear fuel management, including production, use, and disposal.

Deep geological disposal is the primary method for disposing of spent nuclear fuel, involving the placement of spent fuel in stable geological formations deep underground.

Nuclear waste disposal faces several challenges, including long-term containment of radioactive materials, safe transportation of nuclear waste, and public acceptance of disposal facilities.

The future of nuclear power is uncertain, with some countries expanding nuclear power generation, while others are phasing it out. Continued research and development of advanced nuclear technologies may play a role in shaping the future of nuclear power.