Search Results | atomic nucleus
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How Atoms Work
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Atoms are in your body, the chair you are sitting in, your desk and even in the air. Learn about the particles that make the universe possible.
How Atomic Clocks Work
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When the power goes out and is later restored, how do you know what time to set your clocks to? Have you ever wondered how time is regulated? Learn how scientists determine exact time.
How Atom Smashers Work
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Atom smashers are used to help us discover what matter is made of. Learn about atom smashers and find out how an atom smasher works.
How many atoms are in a person?
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Atoms: the building blocks of life and the universe. We're all made of these microscopic bits of matter, but how many does it take to make a complete human being? And exactly what kinds of atoms do we have inside us?
How to Make a Model of an Atom
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Making a model of an atom is a good way to learn about the physical world. Read this article to learn how to make a model of an atom.
Oak Ridge, Tennessee: America's Secret Atomic City
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The Manhattan Project built the city of Oak Ridge in rural Tennessee, where secret facilities produced uranium-235 for the atomic bomb.
Electronegativity Is Like an Atomic Tug-of-War
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Electrons are attracted to some atoms more than others. If two atoms are of equal strength, the electrons will be equally shared. If one atom is stronger, the electrons will be pulled in that atom's direction.
What Is an Isotope?
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You don't need to be a fan of chemistry to appreciate isotopes. They affect geology and medicine, too.
How the Manhattan Project Worked
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The Manhattan Project was the code name used for the secret plan to develop nuclear weapons by the United States. Learn more about the Manhattan Project.
How Nuclear Radiation Works
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Nuclear radiation can be extremely beneficial or extremely harmful -- it all depends on how it's used. Learn what nuclear radiation is all about.