Examining Sand and Glass (IMAGE) Georgia Institute of Technology Research News Caption Researchers Kurt Pennell (standing) and Younggang Wang examine glass microbeads and sand used to study the transport and retention of C60 particles in water. Credit Georgia Tech Photo: Gary Meek 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.