Stabilizing Alkali Metal Vapor (IMAGE) University of Bath Caption Gold nanoparticles rapidly absorb green laser light and convert it into heat, warming vapor in the tube. Credit Prof Ventsislav Valev Usage Restrictions With credit to Prof Ventsislav Valev. 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.