After more than seven years of work, a life-size robotic fly (pictured) has finally taken flight at Harvard University. The tiny robot has a wingspan of three centimeters and weighs a mere 60 milligrams. Researchers believe such small flying machines could one day be used for covert surveillance in battlefield and urban environments. "You probably wouldn't notice a fly in the room," says Robert Wood, leader of Harvard's robotic-fly project. Read more from Technology Review(1).
Photo: Robert Wood