Scientists work on time-lapse cameras (IMAGE) University of Colorado at Boulder Caption Scientists work on time-lapse cameras at the edge of Jakobshavn Isbræ in Greenland. The instrument on the right is one of ground-based radar interferometers used to record the movement of icebergs within the proglacial fjord. Credit Ryan Cassotto/CIRES 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.