Guitar Oscillations Captured with iPhone 4

I just happened upon this trick when testing what it was like filming from inside my guitar. *Note this effect is due to the rolling shutter, which is non-representative of how strings actually vibrate.

Tips:
‧ You must have the strings brightly backlit to get the camera to capture at such a high frame rate (pure conjecture). You can see how the effect fades when the buildings come into view.
‧ Use a pencil
*This was used with the front facing camera, try the back camera, it may capture better! (tried it, it didn't look as good for me)

There is a heated discussion with *real science* over at reddit
http://www.reddit.com/r/reddit.com/comments/in2rc/guitar_string_oscillations_captured_on_video/

*UPDATE here is the 'tracklist'
:14 - "Tears in Heaven" by Eric Clapton
:56 - "Signe" by Eric Clapton
2:57 - Snippet of "Tomorrow Land" by John Scofield
- the rest is just noodling around.

Also, I never thought I'd be known as a 'youtube guitarist', I just play for fun- I'm actually a motion graphics designer/animator. Check out http://www.justkyle.com/

follow me on twitter! http://twitter.com/justkyle

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