Wires (2 of 3) (IMAGE) Rice University Caption This crossbar array was produced with the meniscus-mask lithography technique invented at Rice University. The crossbar wires are made of silicon dioxide. The scale bar is 10 microns; the inset scale bar is 100 nanometers. Credit Tour Group/Rice University Usage Restrictions None License Licensed 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.