Nuclear Energy: Uranium Fission Thousands of years ago human beings learned to make fire. By collecting and burning wood they were able to warm themselves, cook food, and manufacture primitive tools. Later, the Egyptians discovered the principal of the sail. Even more recent was the invention of the water wheel. All of these activities utilize various forms of energy-biological, chemical, solar, and hydraulic. Energy, the ability to do work, is essential for meeting basic human needs, extending the life expectancy, and providing a rising living standard. This is where the need for nuclear power comes in. Uranium fission is about a million times more efficient than the common practice of burning coal or oil. For comparison, coal combustion produces about 20-30 MJ/kg of heat ener....

Number Of Pages: 5

Number Of Words: 1158

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