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  1. 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 …

  2. 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 …

  3. What is Quantum Mechanics? Explained Simply

    May 5, 2025 · Quantum mechanics isn’t confined to the lab—it’s woven into the cosmos. It explains the formation of atoms in the early universe, the behavior of stars, and the emission …

  4. What is Quantum Mechanics in Simple Terms? Explained for …

    What is Quantum Mechanics? Quantum mechanics is the branch of physics that studies the behavior of the smallest particles in the universe, such as electrons, photons, and atoms.

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

    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 …

  6. Quantum Mechanics - Learn Physics

    What is Quantum Mechanics? Quantum mechanics is a branch of physics that deals with the behavior of particles on the smallest scales—such as atoms, electrons, and photons.

  7. Science Simplified: What Is Quantum Mechanics? - SciTechDaily

    Mar 23, 2024 · Quantum mechanics, a field of physics exploring the fundamental nature of matter and energy, reveals phenomena like objects existing in multiple states or places, essential for …

  8. 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 …

  9. Quantum Mechanics | Principles, Applications & Theory

    May 27, 2024 · Quantum mechanics stands as one of the most intriguing and fundamental branches of physics, delving into the behavior of particles at the atomic and subatomic levels. …

  10. What is Quantum Mechanics?

    Jun 12, 2024 · Quantum mechanics, a fundamental theory in physics, describes the physical phenomena at the nanoscopic scales, where the action is on the order of the Planck constant. …