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wikipedia.org
https://en.wikipedia.org/wiki/Quantum
Quantum - Wikipedia
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 "the hypothesis of quantization ". [1]
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sciencenewstoday.org
https://www.sciencenewstoday.org/what-is-quantum-p…
What is Quantum Physics? A Beginner’s Guide
For the beginner, quantum physics may seem like stepping into a dream where the rules are upside down. But as with any great journey, the more you explore, the more you realize that the quantum world, bizarre though it may be, is the foundation of everything.
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britannica.com
https://www.britannica.com/science/quantum
Quantum | Definition & Facts | Britannica
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.
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caltech.edu
https://scienceexchange.caltech.edu/topics/quantum…
What Is Quantum Physics? - Caltech Science Exchange
Quantum physics is the study of matter and energy at the most fundamental level. It aims to uncover the properties and behaviors of the very building blocks of nature.
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nasa.gov
https://science.nasa.gov/biological-physical/quant…
What is Quantum Science? Quantum Leaps - NASA Science
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 solutions.
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anl.gov
https://www.anl.gov/science-101/quantum
Science 101: Quantum Mechanics - Argonne National Laboratory
So, what is quantum? In a more general sense, the word “ quantum” can refer to the smallest possible amount of something. The field of quantum mechanics deals with the most fundamental bits of matter, energy and light and the ways they interact with each other to make up the world.
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phys.org
https://phys.org/news/2025-12-quantum-technology-l…
Quantum technology moves from lab to life, but widespread use ...
Quantum technology is accelerating out of the lab and into the real world, and a new article argues that the field now stands at a turning point—one that is similar to the early computing age ...