Why Knot?: A Kinetic Sculpture That Continuously Ties and Unties a Necktie 9.30K Richard Blakeley 01/27/11 06:55PM Filed to: WoW WoW Ties Machines TV Video If you ever found it complicated to tie your own neck tie, then this kinetic sculpture by Seth Goldstein is for you. It took about five years to design and build, and soon it will be in a Philadelphia museum.(via Make, thanks for the tip Marisa!)