About 3,780,000 results
Open links in new tab
  1. Quantum mechanics - Wikipedia

    Quantum mechanics can describe many systems that classical physics cannot. Classical physics can describe many aspects of nature at an ordinary (macroscopic and (optical) microscopic) scale, but is …

  2. Quantum mechanics | Definition, Development, & Equations | Britannica

    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 …

  3. What is Quantum Mechanics? Explained Simply

    May 5, 2025 · This is quantum mechanics, the most successful and mind-bending theory in all of physics. It underpins modern technology, fuels our understanding of the cosmos, and challenges our …

  4. Quantum Mechanics - Stanford Encyclopedia of Philosophy

    Nov 29, 2000 · It will serve an excellent primary text on the foundations of quantum mechanics for philosophy students, and will also make an excellent supplement to the standard quantum physics …

  5. 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.

  6. 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 disturbance or variation …

  7. Science 101: Quantum Mechanics - Argonne National Laboratory

    The field of quantum mechanics deals with the most fundamental bits of matter, energy and light and the ways they interact with each other to make up the world.

  8. 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 advancing …

  9. 7: Quantum Mechanics - Physics LibreTexts

    Quantum mechanics is a powerful framework for understanding the motions and interactions of particles at small scales, such as atoms and molecules. The ideas behind quantum mechanics often appear …

  10. What is Quantum Mechanics and Why Does it Matter?

    Sep 6, 2024 · Quantum mechanics describes the particle behavior at the smallest scales, such as subatomic particles and atoms like photons and electrons. This article discusses quantum mechanics …