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What can fly like a bird and hover like an insect? Your friendly neighborhood hummingbirds. If drones had this combo, they would be able to maneuver better through collapsed buildings and other cluttered spaces to find trapped victims. Purdue University researchers have engineered flying robots that behave like hummingbirds, trained by machine learning algorithms based
A new smart and responsive material can stiffen up like a worked-out muscle, say the Iowa State University engineers who developed it. Stress a muscle and it gets stronger. Mechanically stress the rubbery material – say with a twist or a bend – and the material automatically stiffens by up to 300 percent, the engineers
When they turn up in pantries or restaurant kitchens, cockroaches are commonly despised as ugly, unhealthy pests. But in the name of science, Johns Hopkins researchers have put these unwanted bugs to work. In a crowded, windowless lab, scholars and students are coaxing the insects to share some crucial locomotion tips that could help future