President Barack Obama signs "Skrappy" the robot

President Barack Obama signs "Skrappy" the robot during a tour of the computer lab and robotics workshop at Bluestone High School in Skipwith, Va., Oct. 18, 2011. The Bluestone Robotics team was founded in 2004 and built their first robot with a basic kit of parts and scraps from area businesses. (Official White House Photo by Pete Souza)