A power reactor is a device that generates electricity from nuclear reactions. Synonyms for this term include nuclear reactor, atomic reactor, and nuclear power plant. A nuclear reactor utilizes the power of the atom to produce energy which can power a city, town, or region. Although the technology of nuclear reactors is advanced, they come with risks and safety concerns since they deal with radioactive materials. In recent years, alternate terms like renewable energy sources, solar power, and wind power are becoming increasingly popular. However, as the demand for electricity continues to grow, a power reactor will remain an indispensable source of energy.