Tiny coat of arms of the city of Halle (IMAGE) Martin-Luther-Universität Halle-Wittenberg Caption The researchers created this tiny Halle coat of arms with the help of their newly discovered effect. Credit Uni Halle / Kathrin Dörr Usage Restrictions Use for covering the research mentioned in the press release 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.