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A quantum is the minimum amount of a physical property that can be involved in an interaction. Learn how Planck, Einstein and others discovered and explained the concept of quantization in physics.
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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 continuous electromagnetic wave, on the submicroscopic level is emitted and absorbed in discrete amounts, or quanta.
Learn the meaning of quantum as a noun and an adjective, with synonyms, examples, and word history. Quantum can refer to a small amount of energy, a subdivision of a physical magnitude, or a principle of quantum mechanics.
Learn what quantum physics is, how it studies matter and energy at the fundamental level, and what phenomena and discoveries it reveals. Explore the origins, principles, mathematics, and observations of quantum science, and how it impacts our understanding of the world.
Learn how quantum computers use quantum physics to perform certain tasks faster and better than classical computers. Discover the concepts of superposition, entanglement and qubits, and how they enable quantum computing.
Quantum Field Theory (QFT) emerged from this insight, unifying quantum mechanics with special relativity. It gave birth to the Standard Model of particle physics—the most complete description we have of matter and forces. But even the Standard Model is incomplete. It doesn't include gravity. It leaves dark matter and dark energy unexplained.
Quantum computing is moving beyond theoretical milestones into practical business applications faster than many realize.
Learn about the weird and wonderful world of quantum physics, from energy quanta to wave-particle duality, from Schrödinger's cat to the multiverse. Discover how quantum physics affects stars, black holes, and space exploration.
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 that transfers energy). Physicists call this the "wave-particle duality." The particle portion of the wave-particle duality involves how objects can be described as "quanta." A quanta ...