SILICA 4 (IMAGE) Rice University Caption A cutaway schematic shows the two-photon enabled printing process for silica structures with sub-200 nanometer resolution. Materials scientists at Rice University say the technique could make it practical to print micro-scale electronic, mechanical and photonic devices. Credit Illustration by Boyu Zhang/Rice University Usage Restrictions None 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.