washingtonpost.com: An aquatic glider called the Scarlet Knight became the first robot to cross an ocean last week.
Scarlet Knight, also called RU-27, was at sea for 221 days. Her predecessor had disappeared on a similar trip, probably killed by a shark.
The people responsible for building, funding, and flying Scarlet hope the end of the robot's successful voyage will mark a new start in ocean and climate research.
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