Superlens Closeup (image) Duke University Caption Each side of each constituent cube of the "superlens" is set with a long, spiraling copper coil. The end of each coil is connected to its twin on the reverse side of the wall. Credit Courtesy of Guy Lipworth, graduate student researcher at Duke University 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.