Clifford Henderson, Georgia Tech (2 of 2) (image) Georgia Institute of Technology Caption Georgia Tech Professor Clifford Henderson's face is reflected in a wafer containing graphene p-n junctions. The screen in the background shows electrical data measurements. Credit Georgia Tech Photo: Gary Meek Usage Restrictions None 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.