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 …

Feb 22, 2026 · 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 …

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

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

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 …

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, …

Quantum takes off This year has been designated the International Year of Quantum Science and Technology, marking the 100th anniversary of foundational developments in quantum mechanics. …

Jan 19, 2026 · News on quantum physics. Read current research on everything from quantum mechanics to quantum dots. Was Albert Einstein right?

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, …

May 5, 2025 · Unifying quantum mechanics and general relativity remains one of the great challenges of physics. Approaches like string theory and loop quantum gravity attempt this unification, but a …