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Science | Physical Science | Nuclear Science

Nuclear science is the study of sub-atomic particles and their application in various disciplines. Here you can learn about nuclear power plants, atomic theory and radiation.

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How the Nuclear Arms Race Works

The detonation of the world's first nuclear bomb ushered in the atomic age. It also amplified tensions between countries and sparked an era in which nations scrambled for power and seemed headed toward catastrophe.


Uranium on the Cranium: The Uranium Mining Quiz

 Uranium on the Cranium: The Uranium Mining Quiz

Uranium mining is key in the creation of nuclear weapons. Test your knowledge of uranium mining with this quiz. See more »

How Radiation Sickness Works

 How Radiation Sickness Works

Radiation sickness can be terrifying, painful and -- in some cases -- fatal. Learn about the causes and symptoms of radiation sickness. See more »

How Radioactive Cleanup Works

 How Radioactive Cleanup Works

Radioactive cleanup is a dangerous but important task following a nuclear disaster. Learn how radioactive cleanup works. See more »

 How a Nuclear Meltdown Works

Nuclear meltdowns can be scary, but it's important to understand what causes them. Learn about how nuclear meltdowns work. See more »

Alpha, Beta or Gamma? It's the Nuclear Radiation Quiz

 Alpha, Beta or Gamma? It's the Nuclear Radiation Quiz

Nuclear radiation can come from a variety of sources -- not just nuclear reactor meltdowns. Test your knowledge with the nuclear radiation quiz. See more »

How a Nuclear Reactor Works

 How a Nuclear Reactor Works

Over the years, nuclear reactors have been viewed as both a miracle and a menace. How does a nuclear reactor do its job? See more »

Image Gallery: Nuclear Meltdown Disasters

 Image Gallery: Nuclear Meltdown Disasters

Nuclear meltdown disasters raise concerns about the technology's safety. See pictures of some of the most catastrophic nuclear meltdown disasters. See more »

Image Gallery: Inside a Nuclear Power Plant

 Image Gallery: Inside a Nuclear Power Plant

Are you wondering how nuclear power plants work? Tour the inside of a nuclear power plant with these pictures to learn more about this technology. See more »

How Japan's Nuclear Crisis Works

 How Japan's Nuclear Crisis Works

Japan's nuclear crisis involved the failure of multiple safety measures. Learn how Japan's nuclear crisis works. See more »

What would nuclear winter be like?

 What would nuclear winter be like?

Nuclear winter occurs after the detonation of nuclear weapons -- it's a grim scenario. Learn about the nuclear winter forecast and predictions it'll happen. See more »