See related story: Underwater Bot Roams the Seas
Slideshow: Underwater Bot Roams the Seas
Oceanographers have high hopes for a new generation of inexpensive, autonomous underwater vehicles that can undertake long journeys and capture data on climate shifts and the world's oceans. By Stephen Leahy.
Spray is launched from Woods Hole Oceanographic Institution vessel.Courtesy of Jane Dunworth-Baker © WHOI

