“My vision is millions of robots at sea.'
that would explore the oceans with the same dexterity, autonomy, and longevity that we’ve come to expect from the robots that NASA sends to explore other planets. Like Seatrec’s SL1, these gliders would be powered by underwater temperature differences.
Chao and the team at Seatrec believe that extending the vehicles’ life spans with limitless clean energy could drastically increase the size of the ocean research fleets. But the company isn’t the first to work on the technology. In 2003, Webb built a prototype thermal glider that used temperature differences to control its ascent and descent in the ocean, but still relied on batteries for its electronics.
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