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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 & Meaning - Merriam-Webster

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

  3. 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 …

  4. Quantum mechanics | Definition, Development, & Equations ...

    Nov 14, 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 molecules and atoms …

  5. 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.

  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 fundamental bits of …

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

    Feb 27, 2025 · Quantum technology uses the nature of subatomic particles to perform calculations instead of electrical signals like classical computing. Quantum computers use quantum bits or qubits …