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  1. 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.

  2. Quantum mechanics - Wikipedia

    Quantum mechanics is the fundamental physical theory that describes the behavior of matter and of light; its unusual characteristics typically occur at and below the scale of atoms. [2]: 1.1 It is …

  3. What is Quantum Physics? A Beginner’s Guide

    Apr 28, 2025 · It’s the bedrock of our modern understanding of nature at its smallest scales — atoms, subatomic particles, and the very fabric of reality itself. Without quantum physics, there …

  4. Quantum Physics Introduction for Beginners

    In this quantum physics introduction for beginners, we will explain quantum physics, also called quantum mechanics, in simple terms. Quantum physics is possibly the most fascinating part of …

  5. Quantum Physics Overview, Concepts, and History - ThoughtCo

    Aug 16, 2019 · Quantum physics is the study of the behavior of matter and energy at the molecular, atomic, nuclear, and even smaller microscopic levels. In the early 20th century, …

  6. Quantum mechanics | Definition, Development, & Equations

    Oct 7, 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 …

  7. Quantum 101: What is Quantum Physics? | QED-C

    Mar 4, 2025 · Quantum physics is the science of how the universe behaves at the smallest scales—think atoms, electrons, and photons (particles of light) and the coldest temperatures …

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

    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 …

  9. Science 101: Quantum Mechanics - Argonne National Laboratory

    Although we don’t see these types of things in our everyday lives, similar curiosities appear to exist all around us in the fundamental behavior of our universe and its smallest building blocks. …

  10. What Is Quantum Physics in Simple Terms? - Physics Q and A

    Dec 30, 2024 · Quantum physics is the branch of physics that studies the behavior of matter and light on the atomic and subatomic scale. Unlike classical physics, which deals with everyday …