title: Perpetual Motion Machine (disambiguation)
text: # Perpetual Motion Machine (disambiguation)
  
  A perpetual motion machine is a hypothetical machine that can do work indefinitely without an energy source.
  
  Perpetual Motion Machine may also refer to:
  
  * "Perpetual Motion Machine", a song by Klaatu from the album Sir Army Suit
  * "Perpetual Motion Machine", a song by Modest Mouse from the album No One's First, and You're Next
  