9.6-Millimeter Probe Housing (IMAGE) Optica Caption This is a photograph of the 9.6-millimeter probe housing (right) next to the housing of the earlier prototype 18-mm probe (left) showing the reduction in packaged probe size. A penny is shown for scale. The scale bar is five micrometers. Credit Ben-Yakar Group, University of Texas at Austin 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.