Sihong Wang and Yahao Dai (IMAGE) University of Chicago Caption UChicago Pritzker School of Molecular Engineering Asst. Prof. Sihong Wang (right) and PhD student Yahao Dai, first author of the new paper, with the newly developed hydrogel semiconductor. Credit UChicago Pritzker School of Molecular Engineering / John Zich Usage Restrictions N/A 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.