'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.
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.