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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Quark

Quark, a particle that physicists believe is a basic constituent of protons, neutrons, and certain other subatomic particles collectively known as hadrons.

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  • Radioactivity
    Radioactivity

    Radioactivity, the process by which the nuclei (cores) of unstable atoms of an element emit radiation (particles of matter and rays of energy), and in so doing become atoms of other elements. See more »

  • What is an atomic clock and how does it work?
    What is an atomic clock and how does it work?

    Many ads for new clocks advertise their ability to automatically synchronize themselves with the atomic clock in Boulder, Colorado. This atomic clock is more precise because it uses the frequencies of atoms as its resonator. See more »

  • Brownian Movement
    Brownian Movement

    Brownian Movement, or Brownian Motion, the rapid, erratic motion of microscopic particles dispersed in a liquid or gas. See more »

  • Cyclotron
    Cyclotron

    Cyclotron, a device for accelerating protons, alpha particles (helium nuclei), and other electrically charged particles to high speeds. See more »

  • Electron
    Electron

    Electron, one of the elementary particles that make up an atom. An electron has a negative electrical charge. See more »

  • Gamma Rays
    Gamma Rays

    Gamma Rays, a form of electromagnetic radiation. Of all forms of electromagnetic radiation, gamma rays have the shortest wavelengths and greatest energy. See more »

  • Infrared Radiation
    Infrared Radiation

    Infrared Radiation, electromagnetic radiation with wavelengths between those of visible red light and radio waves. See more »

  • Irradiation
    Irradiation

    Irradiation, exposure to radiation, such as X rays or ultraviolet rays, usually for a specific purpose. See more »

  • Isotope
    Isotope

    Isotope, in chemistry, one of two or more forms of an element that have the same atomic number but different atomic weights. See more »

  • Neutrino
    Neutrino

    Neutrino, an elementary particle that has no electric charge. Physicists believe that neutrinos have either an extremely small mass or no mass at all. See more »

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