Physical World Applications
A similar system, usually called a dead man's switch (for other names, see alternative names), as its name suggests, is a device intended to stop a machine in case the human operator becomes incapacitated, and is a form of fail-safe. They are commonly used in locomotives, tower cranes, freight elevators, lawn mowers, tractors, jet skis, outboard motors, snowblowers and snowmobiles.
Read more about this topic: Kill Switch
Famous quotes containing the words physical and/or world:
“Vanity of science. Knowledge of physical science will not console me for ignorance of morality in time of affliction, but knowledge of morality will always console me for ignorance of physical science.”
—Blaise Pascal (1623–1662)
“I had the idea that there were two worlds. There was a real world as I called it, a world of wars and boxing clubs and children’s homes on back streets, and this real world was a world where orphans burned orphans.... I liked the other world in which almost everyone lived. The imaginary world.”
—Norman Mailer (b. 1923)