When withdrawing money from an ATM, the 'whirring' sound before your money pops out is actually a recording. The actual mechanism is so far back that you can't hear it.
More Miscellaneous Facts
It is impossible to hum if your nose is plugged.
Donkeys kill more people annually than plane crashes.
In 1982, a high school student from Los Angeles, California unscrambled the Rubik's Cube in 22.95 seconds.