Tracking Vessel Traffic (IMAGE) University of Washington Caption Deborah Giles of the University of California, Davis tracks nearby vessel traffic with a laser positioning system she developed. Photos taken under NOAA Fisheries and Department of Fisheries and Oceans research permit (No.781-1824 and 16163). Credit NOAA Fisheries/Northwest Fisheries Science Center Usage Restrictions Photo credit required. 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.