Rainbows on a Nanoscale (IMAGE) King's College London Caption Researchers at King's College London discovered how to separate colors and create "rainbows" using nanoscale structures on a metal surface. This may lead to improved solar cells, TV screens and photo detectors. Credit Dr. Jean-Sebastien Bouillard, Dr. Ryan McCarron 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.