'Green' Energy Powers Undersea Glider : Image

David Sutherland in the water with a thermal glider during a test

David Sutherland was a MIT/WHOI Joint Program student in the Physical Oceanography Department when he joined an ascending glider during a test in the Bahamas in January 2003. Sutherland earned his Ph.D. in the fall of 2007 and is now a postdoctoral fellow at WHOI. (Photo by Dave Fratantoni, Woods Hole Oceanographic Institution)