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 24, 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 28, 2025 · Quantum physics is the science that explores the deepest layers of reality. It investigates how nature behaves at the smallest scales imaginable—inside atoms, within the fabric of light, and …

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.

Mar 4, 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 …

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, …

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 …

This section contains video lectures for part 1 of the course.