Dr Natasha Tomm (IMAGE) University of Sydney Caption Joint lead author Dr Natasha Tomm from the Nano-Photonics Group at the University of Basel Credit The University of Basel Usage Restrictions For this story only 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.