Since the distance between the Zeeman sub-levels is a function of the magnetic field, this effect can be used to measure the magnetic field, e.g. that of the Sun and other stars or in laboratory plasmas.
Charley horse: Slang for a cramp in a muscle in the leg, usually caused by a strain or injury. A charley horse can last anywhere from a few seconds to over a quarter of an hour. It is not uncommon for one to recur before it finally resolves.
The meaning and origin of the expression: Charley horse. Home Phrase Dictionary-Meanings and Origins Charley horse. Browse phrases beginning with: A B C D E F G H I J K L M N O P Q R S T UV W XYZ-Full List. Whatever ails a player this year they call it 'Charley horse'.