The Canada Border Services Agency (CBSA) announced that it has launched an anti-dumping investigatio…

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A snake moves without legs by the scales on its belly gripping the ground. It generates

A snake moves without legs by the scales on its belly gripping the ground. It generates friction at the points needed to move forwards only and prevents its scales from being worn off by too much friction. Researchers of KIT have found a way to transfer this feature to components of movable systems. In this way, durability of hip prostheses, computer hard disks or smartphones might be enhanced. Their results are published in the journal Bioinspiration & Biomimetics. googletag.cmd.push(function() { googletag.display(‘div-gpt-ad-1449240174198-2′); }); “Friction and wear are two of the biggest challenges in systems of several individual components,” Christian Greiner of the Institute for Applied Materials says. A solution is found in nature: Snakes, such as the ball python, or lizards, such as the sandfish skink, use friction to move forwards, but can reduce it to a minimum thanks to their scales. Together with Michael Schäfer, Greiner developed a process to transfer the scale structure of reptiles to components of electromechanical systems: With a fiber laser, they milled scales into a steel bolt of 8 mm in diameter. Wih the help of two different struct...