Testing Instruments in the Desert (IMAGE) Washington University in St. Louis Caption Wang and Pablo Sobron, Ph.D., then a postdoctoral research associate, are shown testing a WIR, an infrared spectrometer sensitive to water, in the Atacama last year. Wang's team has field tested instruments in some of the most exotic locales on Earth, including not just the Atacama, but also the Tibetan Plateau and Svalbard, a remote Norwegian island. Credit WUSTL 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.