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  1. Quantum - Wikipedia

    In physics, a quantum (pl.: quanta) is the minimum amount of any physical entity (physical property) involved in an interaction. The …

  2. What is Quantum Physics? A Beginner’s Guide

    Apr 28, 2025 · Quantum physics, also called quantum mechanics, is the branch of physics that explains how matter and energy …

  3. Quantum | Definition & Facts | Britannica

    5 days ago · Quantum, in physics, discrete natural unit, or packet, of energy, charge, angular momentum, or other physical property. …

  4. QUANTUM Definition & Meaning - Merriam-Webster

    3 days ago · The meaning of QUANTUM is quantity, amount. How to use quantum in a sentence.

  5. What Is Quantum Physics? Quantum Physics in Simple Terms

    While many quantum experiments examine very small objects, such as electrons and photons, quantum phenomena are all around …

  6. Demystifying Quantum: It’s Here, There and Everywhere

    Apr 10, 2024 · It’s time to celebrate World Quantum Day! But what is quantum, anyway? A NIST physicist answers your questions.

  7. What is Quantum Science? Quantum Leaps - NASA Science

    May 26, 2026 · Quantum physics is the study of extremely small atomic particles. Quantum science aims to better understand the …

  8. Quantum Theory - Physics Book

    Apr 27, 2026 · Quantum theory is the accepted modern explanation of the observed behaviors of matter based upon atomic energy …

  9. Science 101: Quantum Mechanics - Argonne National Laboratory

    What Is Quantum? Imagine a world where objects can seem to exist in two places at once or affect each other from across the …

  10. Curious about quantum? - NSF - National Science Foundation

    Feb 16, 2023 · The quantum future is on our doorstep — and the U.S. National Science Foundation is helping to bring it home. For …