Particle physics: Facts, news, features and articles about the elementary particles that make up our universe
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What Are Elementary Particles?They're the smallest of the small.
By Adam Mann Last updated
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What is the Standard Model, the subatomic physics theory that has been tested more than any other?The Standard Model is the modern physical understanding of three of the four forces of nature: electromagnetism, the strong nuclear force and the weak nuclear force.
By Paul Sutter Published
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Mystery of Weird Sky-Glow Named 'STEVE' Finally SolvedEnigmatic STEVE is somewhat like an aurora...and somewhat different.
By Mindy Weisberger Last updated
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Where do electrons get energy to spin around an atom's nucleus?Quantum mechanics explains why the electrons can keep spinning indefinitely.
By Paul Sutter Published
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Physicists discover never-before seen particle sitting on a tabletopThis newly-discovered particle could account for dark matter.
By Robert Lea Published
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Large Hadron Collider breaks new record only days after it reopensIt only took the LHC days to break its own record after it reopened.
By Scott Dutfield Published
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Ultraprecise atomic optical clocks may redefine the length of a secondThe length of a second hasn't been updated in 70 years, but ultraprecise atomic optical clocks are on track to change that.
By Tia Ghose Published
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What is the Large Hadron Collider?The Large Hadron Collider is the world's most powerful particle accelerator. Here's a look at the atom smasher and all its amazing discoveries.
By Adam Mann Published
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Large Hadron Collider is waking up after a 3-year nap, and it could help explain why the universe exists.After a three-year nap, the world's largest atom smasher is waking up and getting ready to smash atoms harder than ever.
By Mara Johnson-Groh Published
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