http://www.youtube.com/watch?v=0qEotHQgUsg A robot arm controlled by a Wii remote control.
http://archaeology.about.com/b/2006/12/01/damascus-steel.htm The history of Damascus Steel, lost to modern metalworkers.
http://www.3situations.com/BillSullivanWorks/MTmaster.html Pictures taken of New Yorkers as they came out of Metro ticket stiles.