Photos via IMF-GEOMAR Sure, they look like torpedoes. But they’re so much more useful. They cruise the ocean , exploring depths of over 1000 meters (3,280 ft)–and they use only as much energy as bike light in the process. A fleet of these robot gliders, which move across the ocean’s surface like a sailplane, is being massed for their first ’swarm’ mission in the tropical Atlantic. … Read the full story on TreeHugger

Read more here:
Hi-Tech, Satellite-Controlled Robot ‘Gliders’ to Scour Ocean Depths Up to 3,280 Ft