Concentric Rainbows (IMAGE) University at Buffalo Caption Concentric rainbows are produced when white light is reflected by microscale concave interfaces. This image shows the experimental set-up. Credit Credit: Jacob Rada Usage Restrictions This image may only be used in news stories reporting on the research in the related press release. License Original 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.