TUM Nanoscience Researchers (IMAGE) Technical University of Munich (TUM) Caption A 2-D tiling pattern described 400 years ago by Johannes Kepler was first observed on the molecular level in this lab at the Technische Universitaet Muenchen. Three of the researchers responsible are (left to right) Jose Ignacio Urgel, David Ecija, and Willi Auwaerter. Credit Photo: Uli Benz, copyright TUM Usage Restrictions This image may be freely used, with copyright noted, in news coverage of TUM. 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.