Quantum physics, also known as quantum mechanics, is the study of matter and energy at the most fundamental level. It delves into the properties and behaviours of the very building blocks of nature. While many quantum experiments examine tiny objects like electrons and photons, quantum phenomena are pervasive, influencing every scale of existence. At its core, quantum physics explains how atoms work, providing the foundation for understanding chemistry and biology.
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Quantum mechanics applies primarily to microscopic systems such as molecules, atoms, and subatomic particles. It allows us to calculate the properties and behaviours of these tiny building blocks of nature.
Wave-Particle Duality: Quantum systems exhibit both particle-like and wave-like behaviour. This duality is a central concept, where particles (like electrons) can behave as waves and vice versa.
Uncertainty Principle: There are limits to how accurately we can predict a physical quantity (e.g., energy, momentum) before measuring it. The uncertainty principle states that certain pairs of properties cannot be precisely known simultaneously.