Mike Fossum, NASA (image) NASA/Johnson Space Center Caption NASA astronaut Mike Fossum puts one of the Smart SPHERES through its paces during Expedition 29 aboard the International Space Station. The addition of the smartphone helped turn the SPHERES into mobile data acquisition assistants. Credit NASA Usage Restrictions NASA Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.