Artist's Rendition of Experimental Setup (image) Harvard University Caption This is an artist's rendition of the experimental setup used to measure the reflectivity of the vanadium-sapphire device. Credit Modified from an illustration by Kirill Nadtochiy. Usage Restrictions Please use only in news articles relating to this research finding. 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.