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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 fundamental notion that a property can be "quantized" …

  2. Quantum | Definition & Facts | Britannica

    May 31, 2025 · Quantum, in physics, discrete natural unit, or packet, of energy, charge, angular momentum, or other physical property. Light, for example, appearing in some respects as a …

  3. What Is Quantum Physics? - Caltech Science Exchange

    Quantum physics is the study of matter and energy at the most fundamental level. It aims to uncover the properties and behaviors of the very building blocks of nature. While many …

  4. Quantum mechanics: Definitions, axioms, and key concepts of quantum

    Apr 29, 2024 · Quantum mechanics, or quantum physics, is the body of scientific laws that describe the wacky behavior of photons, electrons and the other subatomic particles that make …

  5. Mace Announces Hearing on Advancing Quantum Computing

    2 days ago · WASHINGTON—Subcommittee on Cybersecurity, Information Technology, and Government Innovation Chairwoman Nancy Mace (R-S.C.) today announced a hearing on …

  6. Science 101: Quantum Mechanics - Argonne National Laboratory

    So, what is quantum? In a more general sense, the word “ quantum” can refer to the smallest possible amount of something. The field of quantum mechanics deals with the most …

  7. Quantum - definition of quantum by The Free Dictionary

    A unit of energy, especially electromagnetic energy, that is the smallest physical quantity that can exist on its own. A quantum acts both like a particle and like an energy wave. Photons are …

  8. The Quantum Atlas

    The Quantum Atlas is an approachable guide to quantum physics intended for non-experts. It features cartoons, animations, interactive elements and short podcasts—a multimedia …

  9. Nvidia CEO says quantum computing is reaching an 'inflection …

    Jun 11, 2025 · Nvidia CEO Jensen Huang says that quantum computing is reaching an inflection point and will start to solve real-world problems in the coming years.

  10. What is quantum in physics and computing? - TechTarget

    Feb 27, 2025 · A quantum, the singular form of quanta, is the smallest discrete unit of any physical entity. For example, a quantum of light is a photon, and a quantum of electricity is an …

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