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Scoop.it!
"Scientists have been trying to unlock the secrets of shark skin for more than 50 years. The key to sharks' hydrodynamic prowess lies in how the rigid, tooth-like structures that coat their flexible skin change the flow of water as sharks swim forward – but attempts to quantify this effect have fallen short. After all, it's tough to fabricate a material that closely mimics shark skin, a marvel of Nature honed over the 400 million years that sharks have sleuthed the seas." 
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"In 2005, Mercedes-Benz revealed a concept car with a strange shape. Called the Bionic, the cartoonishly snub-nosed vehicle was modeled after Ostracion cubicus, the yellow boxfish. Car manufacturers aren’t the only ones to take inspiration from this weird coral dweller. But researchers now say engineers who mimicked the boxfish might have been misled."
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Speedo has abandoned its shark-inspired swimsuits for the streamlined silhouette of the barracuda.
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From
gemini
"Researchers from the Norwegian University of Science and Technology (NTNU) are testing a model “whale tail” that can be attached to ships. NTNU is conducting these tests in the Marintek Towing Tank in cooperation with Rolls-Royce and the British companies Seaspeed and MOST. [...] The main goal of the whale tail is to help reduce fuel use by using wave energy to help the ship move forward."
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The sailfish can swim faster than a cheetah can run – and the secrets behind its speed inspired McLaren’s Frank Stephenson to create a new car.
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Mimicking is a great way of fast-forwarding the design process. It is a never ending process.