Single-Shot Spectral Images (IMAGE) City University of Hong Kong Caption Images of letter "A" in dye, acquired at eight different wavelengths and at four different time delays by CUST photography. Credit Y. Lu <em>et</em> <em>al</em>., <em>Phys</em>. <em>Rev</em>. <em>Lett</em>. (2019) Usage Restrictions Image can only be used with appropriate caption and credit. 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.