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Quantum Physics

Understand quantum physics through wave-particle duality, uncertainty, entanglement and the experiments that reveal how the quantum world behaves.

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Essential guides to Quantum Physics

Begin with clear explanations of the key ideas, discoveries and questions in this subject.

What Is Quantum Physics?
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What Is Quantum Physics?

Quantum physics describes matter and energy at atomic and subatomic scales, where probabilities, quantization, superposition, and wave behavior become essential.

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What Is the Uncertainty Principle?

The uncertainty principle is a quantum-mechanical limit on how sharply certain pairs of properties, such as position and momentum, can be defined tog…

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What Is Wave-Particle Duality?

Wave-particle duality describes how quantum objects such as photons and electrons can produce wave-like interference in some experiments while being…

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What Is Quantum Entanglement?

Quantum entanglement is a relationship between quantum systems in which their joint state cannot be described as independent states for each part, pr…

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