Observed pinhole within a device (IMAGE) University of Minnesota Caption For the first time, researchers were able to observe a “pinhole” within a device and observe how it degrades in real-time. Credit Mkhoyan Lab, University of Minnesota 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.