Louis Piper, Binghamton University (IMAGE) Binghamton University Caption Louis Piper, assistant professor of physics at Binghamton University, is harnessing the energy of sunlight by tuning the optical and electronic properties of metal oxides. Credit Jonathan Cohen/Binghamton University 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.