A Speed Limit for Light (IMAGE) Chalmers University of Technology Caption Researchers at Chalmers University of Technology have discovered why there is a speed limit on how fast the properties of light can be changed with the help of specially designed materials. This new understanding can point the way forward for the next generation of consumer electronics, such as smart watches, screens and glasses. Credit Illustration: Sophie Viaene and Vincent Ginis 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.