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3d mr skin Media playback is unsupported on your device. Media captionWhen attached to a wow big ass pics paddle and studied in a water tank, the artificial skin strengthened the "leading edge vortex" created by a swimming motion. Video courtesy of L.
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Perhaps counter-intuitively, creating turbulence near the edge of a moving object can reduce drag. In this way, the denticles act like the dimples on a golf ball. Now, researchers have also seen them alter specific currents that help propel the shark through water.
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