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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

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 “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