…It’s easy to synchronize five metronomes?

Here’s an interesting yet mostly useless video about how to simultaneously synchronize five metronomes:

The process involves harmonic frequencies, and is a real world example of something that you probably slept through in physics class.

[Via: Kottke]

Tagged as: Example, Harmonic Frequencies, Interesting, Metronome, Physics Class, Process, Real World, Simultaneous, Synchronize, Useless, Video