Tungsten Coil Component of Detector (IMAGE) Wake Forest University Caption This photo shows the tungsten coil component of a prototype atomic emission detector that researchers at Wake Forest University and three other institutions are developing for the US Department of Homeland Security. Credit Tommy Murphy, instructional technology consultant, Wake Forest 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.