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  • m

  • magnetic moment
    The magnetic moment is the strength of the response of a piece of metal to a magnetic field. It is a measure of the degree(...) - Read More
  • magnetic moment of the electron
    The magnetic moment of an electron is symbolized as g and is called the “g-factor.”

    The magnetic moment is the degree to(...) - Read More

  • mathematical constant
    Pi and e are examples of mathematical constants. A mathematical constant has the same value no matter which mathematical(...) - Read More
  • measurement in quantum mechanics
    (Also called “observation”). Measurement is of considerable consequence in the quantum world. At least in some(...) - Read More
  • Measurement Problem
    Understanding the Measurement Problem requires understanding the unique role of measurement in quantum mechanics. The entry(...) - Read More
  • metal
    A metal is a kind of matter, usually derived from rocks found in nature. Examples of metals include iron, aluminum, and(...) - Read More
  • minimal theory
    A 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 force
    Moment 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 momentum
    In 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 matter
    Scientists call the everyday matter of our world, such as tables and chairs, “normal matter.” Normal matter is made up of(...) - Read More
  • o

  • observation
    See measurement in quantum mechanics and see observer. - Read More
  • observer
    In quantum mechanics, the term "observer" is used in a specialized manner. It has a meaning quite different from that of the(...) - Read More
  • operator
    In 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 matter
    Scientists call the everyday matter of our world, such as tables and chairs, “ordinary matter.” Ordinary matter is made up(...) - Read More
  • oscillation
    Definition (1): An oscillation is a repetitive back-and-forth motion. A pendulum swinging back and forth is an everyday(...) - Read More
  • oscillator
    An oscillator is something that oscillates. Something that vibrates. See oscillation for more information.

    [caption(...) - Read More

  • p

  • particle
    In 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