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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

    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 …

  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. 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.

  5. 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 …

  6. Quantum computing: Expanding what's possible - NSF

    Jan 21, 2026 · The bottom line Quantum computers aim to solve highly complex problems by using the properties of tiny particles, like atoms, to process information. Their realization could accelerate the …

  7. What is Quantum Mechanics? Explained Simply

    May 5, 2025 · In this article, we’ll strip away the confusion and explore the key concepts of quantum mechanics in simple, engaging language—without sacrificing depth or wonder. Our journey will take …