I think in an earlier era they called this slip-sync when done with a stroboscope. It is fun to watch in any case! Andy On Sep 15, 2015, at 1:36 AM, karl shah-jenner <shahjen@xxxxxxxxxxxx> wrote: > > > http://imgur.com/gallery/QUnJqnA > > Comments: "And a camera that is shooting the same FPS as hertz of the sound" > > in reality the tube is just spinning around a bit throwing water in a normal spiral, but the camera sample rate is making the video look this ay -same as wheels > spinning backward and weird propeller artifacts. > https://www.youtube.com/watch?v=43UGrJdwvqs > > Looks good though :) > >