President Barack Obama gets down on his hands and knees as he looks at the inner workings of a robot that plays soccer

President Barack Obama gets down on his hands and knees as he looks at the inner workings of a robot that plays soccer, built by a team from Blue Bell, Pa., as he tours science projects on display in the State Dining Room of the White House. President Obama hosted the White House Science Fair for winners of a broad range of science, technology, engineering and math (STEM) competitions. October 18, 2010. (Official White House Photo by Pete Souza)