Mile-and-a-half Ice Hole at South Pole (IMAGE) University of Delaware Caption The IceCube telescope's optical detectors are deployed in mile-and-a-half deep holes in the Antarctic ice. Credit James Roth, University of Delaware Usage Restrictions Photo credit to University of Delaware 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.