Nuclear Science Explained

Learn about nuclear science, its history and the processes behind technologies from the past, present and into the future.

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Nuclear Energy

Learn about the difference between fission and fusion and how nuclear reactors work.

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All About Radiation

Learn about the types of radiation and their application in medicine, space, agriculture, and more.

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Radiation Dose Calculator

How much radiation are you receiving from that chest x-ray? From where you live? Use our calculator to find your estimated annual radiation dose.

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Reactor Reality Check

Think you know nuclear? Bust the myths, discover the truth!


And the answer is...

Fiction! It is impossible for a nuclear reactor to explode like a nuclear weapon. Nuclear reactors and nuclear weapons contain different materials and use different systems. Nuclear reactors generate energy through a chain reaction that is carefully controlled. In nuclear weapons, the chain reaction is not controlled.

And the answer is...

Fact! The "smoke" you see rising from nuclear power plants is water vapor - the same as steam or even a cloud. Nuclear power plants do not burn fuel for heat, so they don't create gases or particulates when they create energy.

And the answer is...

Fiction! Nuclear reactors are built with multiple layers of shielding to contain the radioactive substances. If you lived within 50 miles of a nuclear power plant, you would receive an average radiation does of about 0.01 millirem per year. A chest x-ray is about 10 millirem.

And the answer is...

Fact! Nuclear power plants are built and maintained to strict standards overseen by the Nuclear Regulatory Commission. The U.S. Bureau of Labor reports that it is safer to work at a nuclear power plant than at a fast-food restaurant or grocery store.

And the answer is...

Fact! A uranium nuclear fuel pellet the size of a gummy bear creates as much energy as one ton of coal ore, 149 gallons of oil, or 17,000 cubic feet of natural gas.