Zack Savitsky

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    The Overlooked Experiment That Revealed the Quantum World

    A century ago, the Stern-Gerlach experiment established the truth of quantum mechanics. Now it could build a bridge between the two pillars of modern physics.

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    The Electron Is So Round That It’s Ruling Out Potential New Particles

    If the electron’s charge wasn’t perfectly round, it could reveal the existence of hidden particles. A new measurement approaches perfection.

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    Shadows in the Big Bang Afterglow Reveal Invisible Cosmic Structures

    Cosmologists are using secondary signatures from the cosmic microwave background to map the universe’s hidden matter.