One of the mysteries of the English language finally explained.
A toothed disc or rotor of magnetic material which is caused to rotate at a constant speed by an electromagnet energized by alternating or interrupted direct current (originally derived from a tuning fork vibrating against a contact and sustained by another electromagnet).
Late 19th century; earliest use found in Telegraphic Journal. After French roue phonique.
In this article we explore how to impress employers with a spot-on CV.