Light Rays (IMAGE) Kiel University Caption With its ultrafast light rays, the Kiel system is one of the fastest and most powerful in the world. Credit © Jürgen Haacks, CAU Usage Restrictions None 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.