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.
Along with these extreme temperatures comes the increased occurrence of anhidrosis. Anhidrosis in horses is defined as the absence of an adequate amount of sweat which will result in several clinical signs. A horse with anhidrosis is often called a ânonâsweaterâ.