Plane Waves in Vacuum
Plane waves in vacuum are the simplest case of wave propagation: no geometric constraint, no interaction with a transmitting medium.
Read more about this topic: Dispersion Relation
Famous quotes containing the words plane, waves and/or vacuum:
“In time the scouring of wind and rain will wear down the ranges and plane off the region until it has the drab monotony of the older deserts. In the meantime—a two-million-year meantime—travelers may enjoy the cruel beauties of a desert in its youth,....”
—For the State of California, U.S. public relief program (1935-1943)
“The waves have now a redder glow—
The hours are breathing faint and low—
And when, amid no earthly moans,
Down, down that town shall settle hence,
Hell, rising from a thousand thrones,
Shall do it reverence.”
—Edgar Allan Poe (1809–1849)
“Teenagers who are never required to vacuum are living in one.”
—Fred G. Gosman (20th century)