Stephen Guimond (IMAGE) University of Maryland Baltimore County Caption Stephen Guimond, associate research professor of physics at UMBC and researcher at UMBC's Goddard Earth Sciences Technology and Research (GESTAR) II. Credit Stephen Guimond Usage Restrictions Photo cannot be used without crediting researcher Stephen Guimond and UMBC License Original 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.