Metallic Glass Perfume Bottles (IMAGE) Washington University in St. Louis Caption Metallic glasses discovered in the 1990s behave similary to silicate glasses (window glass), as these blown metallic-glass bottles illustrate. The trick is to add atoms of various sizes to the melt that get in the way of the atoms arranging themselves in crystalline lattices. Credit Jan Schroers/Yale 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.