Wave–particle duality is one of quantum physics’ most surprising and foundational ideas: that particles such as electrons and photons behave both like discrete particles and like waves. This module helps you understand this dual nature without getting lost in abstraction.

You begin with the double‑slit experiment, the classic demonstration that reveals interference patterns even when particles pass through one at a time. The module guides you through how this experiment reshaped our understanding of matter, showing that probability, not certainty, governs the quantum world.

You then explore how wavefunctions describe the likelihood of finding a particle in a particular place, and how measurement collapses these possibilities into a single outcome. Clear explanations help you understand how observation affects quantum behaviour.

The module also connects wave–particle duality to real‑world technologies: electron microscopy, lasers, semiconductors, and quantum computing. You learn how engineers harness wave‑like behaviour to design devices with extraordinary precision.

By the end, duality feels less like a paradox and more like a powerful insight into the nature of reality.

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