Prof. Zhong Lin Wang with Sample (IMAGE) Georgia Institute of Technology Caption Prof. Zhong Lin Wang holds a sample containing a zinc oxide nanowire array that can convert mechanical energy to electrical energy. 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.