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.

Nuclear Science Quiz

Want to learn about the Large Hadron Collider? Do you know which item of clothing was named after an event in nuclear physics? Take the quiz, and the gaps in your knowledge will get smaller, and smaller. And smaller. And smaller…

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  • What exactly is the Higgs boson?

    What exactly is the Higgs boson?

    Who wants to reduce our complicated universe down to its simplest building blocks? A bunch of particle physicists, that's who. Why is the Higgs boson critical to that goal? See more »

  • What is supersymmetry?

    What is supersymmetry?

    Of all the superheroes we have in the universe, supersymmetry might be the one that will save us from total annihilation. Not because it fights bad guys, but because it just might explain how the tiniest parts of the cosmos work. See more »

  • What is the multiverse?

    What is the multiverse?

    Want to see two physicists fight? Ask them what they think about the multiverse. Isn't it time you formed an opinion, too? See more »

  • What would nuclear winter be like?

    What would nuclear winter be like?

    If the sight of a mushroom cloud burning above the horizon suggests that the nuclear weapon-equipped world might end with a bang, then nuclear winter presents the notion that post-World War III humanity might very well die with a whimper. See more »

  • What's a uranium centrifuge?

    What's a uranium centrifuge?

    Iran has announced its activation of a second set of uranium centrifuges. These machines are at the core of the uranium-enrichment process. Find out where the centrifuge fits into the equation. See more »

  • Where do they get the particles for accelerators?

    Where do they get the particles for accelerators?

    When physicists want accelerator particles, they head to OK Quark, answer questions about what they're looking for, and hope for a match. Nah, wait … that's not it at all. See more »

  • Why is the LHC 27 kilometers in circumference?

    Why is the LHC 27 kilometers in circumference?

    Twenty-seven kilometers is more than five 5K races. Most humans aren't interested in running that much, so why do a bunch of speeding protons require that considerable distance? See more »

  • Antimatter


    Antimatter, matter composed of antiparticles (subatomic particles with certain properties, such as electrical and magnetic properties, opposite those of ordinary subatomic particles with the same mass). See more »

  • Atom


    Atom, the smallest part of a chemical element that retains the identity of the element. See more »

  • Elementary Particles

    Elementary Particles

    Elementary Particles, in physics, the basic components of matter and energy. The study of elementary particles is known as elementary particle physics, or particle physics. See more »

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