President Barack Obama tosses a Soccket ball in the air at the Ubongo Power Plant in Dar es Salaam

President Barack Obama tosses a Soccket ball in the air at the Ubongo Power Plant in Dar es Salaam, Tanzania, July 2, 2013. As it is used, the ball is able to create and store kinetic energy as a battery. Standing with the President, from left, are: Paul Hinks, CEO Symbion Power; Jay Ireland, President and CEO of GE Africa; President Jakaya Kikwete of Tanzania; Victor Angel, Vice President of Product Development at Uncharted Play; and Jessica Matthews, Co-founder and CEO of Uncharted Play.