WIRED SCIENCE watches as sensors are placed on a bridge to prevent its collapsing; Ziya Tong examines restless leg syndrome; Rocky Roccanova, CEO of TouchTable, Inc., demonstrates TouchTable's interactive interface; Jeff Hawkins chats with Adam Rogers about his quest to build the first genuinely intelligent machine; and WIRED SCIENCE'S very own Geek Dad, Dylan Tweeny, sets out to build a UFO hovercraft with his six year old daughter.