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“Gray’s Paradox” Solved: Researchers Discover Secret of Speedy Dolphins

Timothy Wei, professor and acting dean of Rensselaer’s School of Engineering, has developed a new state-of-the-art water flow diagnostic technology that conclusively measures the force a dolphin generates with its tail.

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Video Frame

Video Frame
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(Above) Research Video: Digital Particle Image Velocimetry (DPIV) is used to track and measure the water flow around Primo, a retired U.S. Navy bottlenose dolphin.

(Left Top) A closeup of a single frame from the video tracking the flow of water around Primo.

(Left Bottom) The same frame, but with visualized information illustrating the water flow. The arrows indicate in which direction the water is moving, and the colors indicate the speed. The red and dark blue arrows signify the fastest-moving water.

 
Contact: Michael Mullaney, Media Relations Specialist  (518) 276-6161
 
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