U.S. scientists from the Wood’s Hole Oceanographic Institute (WHOi) in the UK have been researching an underwater robotic glider that harvests heat energy from the Caribbean. Tested since December, the device has gone thousands of kilometers without batteries. The team feels that the capsule could undertake surveys for up to six months, although it still needs batteries for data retrieval, sensors and its satellite communications system. Still, we applaud the WHOi in its green efforts and hope the fish and tourists don’t mind.
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