The largest ship ever powered solely by a kite in U.S. waters — a 308,000-lb. barge — recently glided across San Francisco Bay as part of the second annual Family Day Kite Festival.
The enormous wind sail that pulled the vessel, a 3,000 sq-ft traction kite, was designed by KiteShip of Martinez, Calif.
While some flyers maneuvered single, double, and even four-line kites, others rode kite buggies able to travel over 70 mph, kite boards that skim the waves at 51 mph, and kite boats that sail at 35 mph.
Unlike passive products - made of simple carbon springs - the bionic prostheses developed by Revival Bionics are propulsive, equipped with a motor and an artificial Achilles tendon...
Electric drives are a key technology for the performance of machines, robots, and power tools. Download this guide for an introduction to high-quality mechatronic drive systems...
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