Molecular Structure Affects Conductivity (image) Stanford School of Engineering Caption The yellow electric charge races through a "speed-lane" in this stylized view of a polymer semiconductor, but pauses before leaping to the next fast path. Stanford engineers are studying why this occurs with an eye toward building flexible electronics. Credit Professor Andrew Spakowitz Usage Restrictions use to illustrate story 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.