Researcher with a robotic fish

Researcher with a robotic fish

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Credit: SAM OGDEN/SCIENCE PHOTO LIBRARY

Caption: Fish robot. Diver with a robotic tuna fish in a tank of water. The Robotuna forms part of a project to develop better propulsion systems for submarines, and a better understanding of the physics of swimming. The Robotuna is modelled on the bluefin tuna, a fish whose body has evolved over 160 million years to make it a highly- manoeuvrable and efficient swimmer. The Robotuna is propelled by 6 motors, each rated at 1492 watts (2 horsepower), that flex the body by using internal tendons. The fish's "skin" consists of lycra material. Photographed at the Massachusetts Institute of Technology, USA.

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Keywords: bluefin tuna, fish, high-tech, mit, robot, robotic, robotic fish, robotuna, robotuna research, submarine research, technology, tuna

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