Exercise Ball (IMAGE) University of Southampton Caption Exercise ball and screen at 40 m - picture taken using a 32x16 pixel sensor (2mmx2.5mm sensor size) Credit Pointcloud Usage Restrictions None License Licensed content 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.