Clifford Henderson, Georgia Tech (1 of 2) (IMAGE) Georgia Institute of Technology Caption Georgia Tech Professor Clifford Henderson holds a wafer containing graphene p-n junctions. 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.