How TV Works
The Illusion of Motion
Early Reseach: Determined that a sequence of still pictures, at [18] frames or more per second, could create the "illusion of motion".

Persistence of Vision

  • A psychological phenomenon

    Phi-Phenomenon

  • A physiological phenomenon

    Film uses [24] frames per second

    Video uses [30] frames per second
    (in the U.S.)