Photo 2 (IMAGE) Shinshu University Caption Ruby crystal grown on sapphire substrate at the Nagano engineering campus, Shinshu University. Credit Katsuya Teshima Ph.D., Research Initiative for Supra-Materials, Shinshu 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.