Models. Behaving. Badly.: Why Confusing Illusion With Reality Can Lead to Disaster, on Wall Street and in Life by Emanuel Derman

Author:Emanuel Derman [Derman, Emanuel]
Language: eng
Format: epub
Tags: Business & Economics, Finance
ISBN: 9781119944690
Publisher: John Wiley & Sons
Published: 2011-10-13T06:31:34+00:00

QUANTITIES: COULOMB’S LAW OF FORCE BETWEEN STATIC CHARGES

In 1788, inspired by Newton’s law of gravitation, Charles Coulomb published what is now called Coulomb’s law: the attractive or repulsive force between small point-like charges is proportional to the magnitude of their charge and diminishes in proportion to the inverse square of the distance between them. But take no discovery for granted: though it sounds simple, it took ingenious experimentation to accurately measure both the quantity of charge on objects and the forces between them.

No one thought much about the transmission of forces. People believed, even took for granted, that both the gravitational force and the electrostatic force were transmitted through space instantaneously by so-called action at a distance.

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