'RoboClam' digs as quickly as natural burrowers
• http://www.mnn.com, By: Denise ChowThe key to the mechanical digger was figuring out the perfect speed at which it would and shut its shells to create a pocket of wet sand to move through easily.
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The key to the mechanical digger was figuring out the perfect speed at which it would and shut its shells to create a pocket of wet sand to move through easily.
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