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l
 Law of Conservation of Energy
The Law of Conservation of Energy says that the amount of energy in an isolated system remains constant. Energy cannot be(...)  Read More
 Law of Conservation of Matter
The Law of Conservation of Matter was abandoned as inaccurate by physicists early in the 1900’s. For more information, see(...)  Read More
 linear momentum
Linear momentum is the oomph something has due to having mass that’s in motion. If a football player were to ram into a(...)  Read More
 lines of force
“Lines of force” can best be explained with an illustration. The photo shows the lines of magnetic force created with a(...)  Read More
 local realism
[This article is under construction.]
Local realism is a quick way of saying two principles: 1) Principle of locality:(...)  Read More
 logical
Logical reasoning is reasoning that draws conclusions based on correct understanding of relationships. Here are examples of(...)  Read More

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 “gfactor.”
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