Simple Pimple

I've seen this posted around quite a bit, and after seeing it for the third time, I've decided to post it myself on this blog! I found I can stare at this for hours and be mesmerized, not sure if it's real though.

Check it out here!
http://simplepimple.com/2012/08/bouncing-lightbulbs/

(Blogger doesn't allow you to post .gif's so I decided just to give you a direct link to where this phenomenon all started, although no one can seem to explain it! If you can, please post a comment!)