Some articles on light, walk light, lights:
... Since a red light (resp ... don't-walk light) behaves the opposite way of a green light (resp ... walk light), for simplicity, we consider just two lights a green light (G) and a walk light (W) and one push button as shown in Fig ...
Famous quotes containing the words light and/or walk:
“The night has a thousand eyes,
And the day but one;
Yet the light of the bright world dies
With the dying sun.”
—Francis William Bourdillon (18521921)
“Will you walk into my parlor? said the spider to the fly;
Tis the prettiest little parlor that ever you did spy.
The way into my parlor is up a winding stair,
And I have many pretty things to show when you are there.”
—Mary Howitt (17991888)