Magill Nanoparticle (IMAGE) DOE/Argonne National Laboratory Caption In this artist's rendering, ultraviolet light is converted by nanoparticles (black dots) into visible light. Different size nanoparticles will shift light into different wavelengths, or colors. Credit Argonne National Laboratory 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.