Phase Shifting Interferometry

Famous quotes containing the words phase and/or shifting:

    “The problem of the twentieth century is the problem of the color-line—the relation of the darker to the lighter races of men in Asia and Africa, in America and the islands of the sea. It was a phase of this problem that caused the Civil War.”
    —W.E.B. (William Edward Burghardt)

    “I believe that history has shape, order, and meaning; that exceptional men, as much as economic forces, produce change; and that passé abstractions like beauty, nobility, and greatness have a shifting but continuing validity.”
    —Camille Paglia (b. 1947)