Ever drop a pick inside your guitar? Of course you have. Ever wonder what it looks like from the pick's perspective? No? YouTube guitar player Justkylevids just had to know, but when he put the phone inside the guitar and turned on the video camera the results were amazing. The strings turned into strange, wiggly wave like patterns. The results are actually a bit hypnotic.

It turns out that the reason this happens is that the iPhone's CMOS sensor captures only part of a video frame at a time, a technique called "rolling shutter."