More robot ocean-gliders taking to the seas

We mentioned these ocean-heat-powered water gliders quite some time ago, and it seems they’ve become more popular in the mean time. These unmanned aquatic vehicles have proven to be a very effic

Ocean glider powers itself with water's heat, maps the boring parts of the Caribbean

This little robot has been cruising the Caribbean for two months now, mapping out currents, temperatures, and other subaquatic trivia. It’s at least partially powered by ocean temperature gradie