SUMMARY:Attack of the flying robot bird: it can dive and roll and looks so realistic that other birds have attacked it in flight.

Satyandra Gupta apparently loves birds so much he decided to build one. His skills as a professor of mechanical engineering at the University of Maryland probably didn’t hurt in his quest, and this week he announced the Robo Raven is now a reality. The robotic avian can dive and roll and looks so realistic that other birds have attacked it in flight.