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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" is referred to as …

  2. Quantum | Definition & Facts | Britannica

    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 continuous electromagnetic …

  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.

  4. 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 fundamental bits of …

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

    Feb 27, 2025 · The discovery of quanta and the quantum nature of subatomic particles led to a revolution in physics, and to the birth of quantum physics. Before the quantum discovery, the physics …

  6. Quantum physics - Latest research and news | Nature

    Nov 25, 2025 · Quantum physics is the study of matter and energy at its most fundamental level. A central tenet of quantum physics is that energy comes in indivisible packets called quanta.

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

    Apr 10, 2024 · Quantum, often called quantum mechanics, deals with the granular and fuzzy nature of the universe and the physical behavior of its smallest particles. The idea of physical granularity is like …

  8. Scientists achieve breakthrough on quantum signaling

    Dec 2, 2025 · A tiny device that entangles light and electrons without super-cooling could revolutionize quantum tech in cryptography, computing, and AI.

  9. Leading quantum at an inflection point - MIT News

    Nov 10, 2025 · MIT is preparing to launch the MIT Quantum Initiative (QMIT), a presidential strategic initiative that will apply quantum breakthroughs to the most consequential challenges in science, …

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

    Nov 18, 2025 · Quantum physics is the study of extremely small atomic particles. Quantum science aims to better understand the world around us and apply quantum theories to real-world technology …