Hyperspectral Imager on Drone (IMAGE) Optica Caption Researchers used 3-D printing to create hyperspectral imagers that are light enough to use on a drone. The imager is the small protrusion on the bottom of the drone's body. Credit João Fortuna, Norwegian University of Science and Technology 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.