Fire up the 2013 remix of the Eagles "Desperado". Listen to the beat: That's 60 beats per minute, or to an engineer, 1 Hertz (Hz). Lady Gaga's "Just Dance" is around twice that. It sounds fast, but ...

We got a big box of computer parts including a computer processor and spinning hard drive vs a 60,000 PSI Waterjet ... We cut the classic batarang out of the AMD cpu. The power supply was powered up ...