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:
“Let us hope ... that by the best cultivation of the physical world, beneath and around us; and the intellectual and moral world within us, we shall secure an individual, social and political prosperity and happiness, whose course shall be onward and upward, and which, while the earth endures, shall not pass away.”
—Abraham Lincoln (1809–1865)
“The finest manners in the world are awkwardness and fatuity when contrasted with a finer intelligence. They appear but as the fashions of past days,—mere courtliness, knee-buckles and small- clothes, out of date.”
—Henry David Thoreau (1817–1862)