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 …

Apr 28, 2025 · Quantum physics, also called quantum mechanics, is the branch of physics that explains how matter and energy behave at extremely small scales, such as atoms, electrons, photons, and …

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

While many quantum experiments examine very small objects, such as electrons and photons, quantum phenomena are all around us, acting on every scale.

Apr 10, 2024 · It’s time to celebrate World Quantum Day! But what is quantum, anyway? A NIST physicist answers your questions.

May 26, 2026 · 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 …

Apr 27, 2026 · Quantum theory is the accepted modern explanation of the observed behaviors of matter based upon atomic energy and particle interactions. After many notable physicists had hypothesized …

What Is Quantum? Imagine a world where objects can seem to exist in two places at once or affect each other from across the universe. Although we don’t see these types of things in our everyday lives, …

Feb 16, 2023 · The quantum future is on our doorstep — and the U.S. National Science Foundation is helping to bring it home. For years, NSF has invested in quantum education, research, discovery, …