Dr Sahand Mahmoodian (IMAGE) University of Sydney Caption Joint lead author Dr Sahand Mahmoodian from the School of Physics at the University of Sydney. Credit The University of Sydney 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.