quantum theory“Quantum theory” is the original name for the field that became known as “quantum mechanics" (which see). The connotations(...) Read More
randomIn classical physics, events are random only due to insufficient information. Let’s take the example of a coin toss. With an(...) Read More
realismIn everyday life, we in the Westernized world assume that an objective reality exists external to us. We usually assume that(...) Read More
renormalizationRenormalization is a technique for achieving greater precision in certain physics theories.* In quantum mechanics,(...) Read More
rotational momentumRotational momentum is the same thing as “angular momentum.” It is the momentum or oomph that an object has when it rotates(...) Read More
Rydberg atomA Rydberg atom has one or more electron(s) which have energy levels almost sufficient for the electron(s) to escape the(...) Read More
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scanning tunneling microscopeA scanning tunneling microscope (STM) is a type of electron microscope. It is much more powerful than an ordinary microscope(...) Read More
Stern-Gerlach device(Also called a “Stern-Gerlach machine.”) The Stern-Gerlach (SG) device detects the “quantum spin” of atoms and subatomic(...) Read More
superpositionClick for quantum superposition or click for superposition of classical waves. Read More
superposition, classical wavesThis article is about superpositions of waves as understood In classical physics. See superposition, quantum mechanics for(...) Read More
superposition, quantumThe term "superposition" is used in both classical physics and quantum physics. In this article, "superposition" is(...) Read More
systemIn science, the term "system" takes the place of the common English words "thing" or "entity." Scientists use the term(...) Read More
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TeslaA Tesla is a unit for measuring the strength of magnetism in any particular location. A Tesla is approximately the strength(...) Read More
theoretical physicsTheoretical physics is one of two branches of physics: theoretical and experimental. Like almost all other types of physics,(...) Read More