Copper Precursor Material (image) Georgia Institute of Technology Research News Caption Copper structure shown here is a precursor material for explosive compounds used in military detonators. The copper structure can be formed on chips, then converted to an explosive compound. The compound is being used to improve US Navy detonator devices. Credit Gary Meek Usage Restrictions None 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.