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:
“Have you ever been up in your plane at night, alone, somewhere, 20,000 feet above the ocean?... Did you ever hear music up there?... Its the music a mans spirit sings to his heart, when the earths far away and there isnt any more fear. Its the high, fine, beautiful sound of an earth-bound creature who grew wings and flew up high and looked straight into the face of the future. And caught, just for an instant, the unbelievable vision of a free man in a free world.”
—Dalton Trumbo (19051976)
“Dr. Scofields equipment, which you have just seen, radiated waves direct to Professor Houghlands laboratory. When these waves came in contact with those the professors equipment was radiating, they created the interstellar frequency, which is the death ray.”
—Joseph ODonnell, and Clifford Sanforth. Arthur Perry (Bela Lugosi)
“If it were possible to have a life absolutely free from every feeling of sin, what a terrifying vacuum it would be!”
—Cesare Pavese (19081950)