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Home » Radio Archive » Daily Show » Shark Skin Inspiration

Shark Skin Inspiration

February 14, 2018
https://podcast.scienceupdate.com/180214_sciup_shark.mp3

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SharkSkin400

BOB HIRSHON (host):

Shark aerodynamics. I’m Bob Hirshon and this is Science Update.

Shark skin may appear smooth, but it’s actually made up of microscopic, tooth-like structures that reduce drag, allowing the animals to swim more efficiently. Understanding these structures could lead to more energy-efficient aerial devices, according to Harvard engineers Gus Domel and Mehdi Saadat, writing in the Journal of the Royal Society Interface. Their team created scaled-up models of the structures using a 3D printer, testing their aerodynamic properties when attached to wing-like blades. Domel says the structures didn’t just reduce drag, but led to major increases in lift. In real-world machines, this could translate to energy savings.

GUS DOMEL (Harvard University):

Nature’s had such a headstart through evolution that it’s good to look to nature for inspiration even for manmade aerial devices such as drones, wind turbines, and airplanes.

HIRSHON:

…And that could reduce fuel consumption in the long run. I’m Bob Hirshon, for AAAS, the science society.

Story by Susanne Bard

Category: Daily Show, Station DownloadTag: Animal Behavior, Environment & Conservation, Materials Science
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