Comparing Diffraction Patterns (IMAGE) University of Vienna Caption Comparing the diffraction patterns behind a combination of precisely written slits allows testing quantum mechanics with complex molecules. Credit Copyright: Group for Quantum Nanophysics, Faculty of Physics, University of Vienna; Image-Design: Christian Knobloch Usage Restrictions The image may only be used with appropriate caption or credit. 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.