Routing (IMAGE) DOE/Pacific Northwest National Laboratory Caption Oxygen can zigzag or take a circular route (red arrows) through this semiconducting crystal made of strontium (green), chromium (blue), and oxygen (red). Credit Nielsen et al, Nature Comm 2014 Usage Restrictions Credit Nielsen et al, Nature Comm 2014 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.