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## m

- minimal theoryA minimal theory in physics is a theory that accounts for known phenomena with the simplest approach conceivable. Of course,(...) - Read More
- moment“Moment,” as used in physics, means the amount of force experienced by an object due to the amount of force applied at a(...) - Read More
- moment of forceMoment of force is also called torque. “Moment,” as used in physics, means the amount of force experienced by an object due(...) - Read More
- moment of momentumIn classical physics, moment of momentum is the momentum or oomph which an object has as it rotates about an axis. It is the(...) - Read More
- momentum(Abbreviated p. Momentum is the oomph something has due to having mass that’s in motion. Let’s say you just happen to be(...) - Read More
## n

- normal matterScientists call the everyday matter of our world, such as tables and chairs, “normal matter.” Normal matter is made up of(...) - Read More
## o

- operatorIn mathematics, “operator” has two main definitions. 1) An operator is a mathematical symbol, for example +, that represents(...) - Read More
- orbital angular momentum(Symbol: ɭ or L). Electrons have two types of rotational motion: orbital angular momentum and spin. Orbital angular momentum(...) - Read More
- ordinary matterScientists call the everyday matter of our world, such as tables and chairs, “ordinary matter.” Ordinary matter is made up(...) - Read More
- oscillationDefinition (1): An oscillation is a repetitive back-and-forth motion. A pendulum swinging back and forth is an everyday(...) - Read More
- oscillatorAn oscillator is something that oscillates. Something that vibrates. See oscillation for more information.
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## p

- particleIn everyday speech, a particle is a bit of matter. I might say that there is particle of dirt on the lens of my glasses.(...) - Read More
- periodIf you were standing on a dock and water waves were coming at you, the period would be the time interval between waves. In(...) - Read More
- Periodic Table of the ElementsThe Periodic Table of the Elements lists all the elements, over 100 of them, in a specific sequence. This includes the(...) - Read More
- physical constantThe constant c, the speed of light in a vacuum, is an example of a physical constant. It is a constant of nature, always(...) - Read More
- piPi is symbolized π and pronounced like "pie." It is the mathematical symbol for the number 3.14159…, which goes on(...) - Read More
- probability amplitude“Probability amplitude” is a term used in quantum physics. It’s a number that appears in Schrodinger’s Wave Equation. Let’s(...) - Read More
## q

- QFTSee Quantum Field Theory. - Read More
- quantities of dimension oneFor “quantities of dimension one,” see “dimensionless number.” - Read More
- quantumOne definition of “quantum” is: a tiny packet of energy at the atomic level. A quantum is the smallest possible unit of(...) - Read More