??? Thursday, March 29, 2012 at 3:50 AM ??? 0 (YouTube Link)Retired DJs take note-there is a use for your old turntables after all!Just attach some arms like you see in the video, lock a sharpie in place, then trip out on the spirographic artwork that the turntables create-all by themselves!It looks all geometrical and neat, and the soothing sound of the pen dancing across the paper is enough to ca