Tethys - A new breed of undersea robot

Over the past decade, the undersea robots known as autonomous underwater vehicles (AUVs) have become increasingly important in oceanographic research. MBARI engineers recently demonstrated a new super-efficient AUV that can travel rapidly for hundreds of kilometers, "hover" in the water for weeks at a time, and carry a wide variety of instruments. For more information see: http://www.mbari.org/news/news_releases/2010/lrauv/lrauv-release.html