perpetualmotion
- Energetic law breaker?
- Aim to turn people insane going on and on
- Physicist's fanciful quest
- Theoretical unending phenomenon
- Scientific impossibility
- Physics impossibility
- Physicist's "everlasting" quest
- Object of many a hopeful machine inventor's search
- Nonstop action?
- Mad scientist's dream
- Longstanding physicists' fascination