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 Nuclear Fusion Reactors Work

Fusion reactors will use abundant sources of fuel, will not leak radiation above normal background levels, and will produce less radioactive waste than current fission reactors. Learn about this promising power source.


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 »

How Radiation Works

How Radiation Works

Radiation is a loaded word. Believe it or not, not all radiation is bad for your health. Learn which radiation is deadly and which isn't deadly. See more »