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"By harvesting its energy directly from the sea, a new underwater robot could cruise the oceans for years." (The Economist, 2008)

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Seagliders are a buoyancy driven autonomous underwater vehicle (AUV) developed by scientists and engineers at the University of Washington's School of Oceanography and Applied Physics Laboratory. They fly through the water with extremely modest energy requirements using changes in buoyancy for thrust coupled with a stable, low-drag, hydrodynamic shape. Seagliders make oceanographic measurements traditionally collected by research vessels or moored instruments, but at a fraction of the cost. They can survey along a transect, profile at a fixed location, and can be commanded to alter their sampling strategies throughout a mission.

Specifications (PDF)

P.I.s Pilots Technical Staff
David Karl Steve Poulos Lance Fujieki
Bruce Howe Lora Van Uffelen Blake Watkins
Glenn Carter