Ionic Conductors Can Be Transparent and Very Stretchy (image) Harvard University Share Print E-Mail Caption As Jeong-Yun Sun and Christoph Keplinger, Harvard University, demonstrate here, two major advantages of ionic conductors are that they can be very stretchy and completely transparent, two properties difficult to achieve with electronics. Credit Photo by Eliza Grinnell, Harvard SEAS Communications. Usage Restrictions None Share Print E-Mail 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.