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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 mechanics | Definition, Development, & Equations

    Dec 18, 2025 · Quantum mechanics, science dealing with the behavior of matter and light on the atomic and subatomic scale. It attempts to describe and account for the properties of …

  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. 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 …

  5. 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 …

  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. DOE Explains...Quantum Mechanics | Department of Energy

    Quantum mechanics is the field of physics that explains how extremely small objects simultaneously have the characteristics of both particles (tiny pieces of matter) and waves (a …

  8. What is Quantum Mechanics? Understanding the Basics and Its …

    Mar 30, 2025 · Quantum mechanics, or quantum physics, is one of the most profound and enigmatic fields in science. It governs the behavior of matter and energy on the smallest …

  9. 양자 (에너지) - 위키백과, 우리 모두의 백과사전

    양자 (量子, 영어: quantum, 복수형 quanta)는 더 이상 나눌 수 없는 에너지 의 최소량의 단위로, 물리학 에서 상호작용과 관련된 모든 물리적 독립체의 최소단위이다.

  10. Quantum | Definition & Facts | Britannica

    Dec 23, 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 …