Researchers built drone with tiny microphones that can find screaming humans in a natural disaster 

Researchers in Germany have developed a drone that can locate humans by their screams. Rather than a terrifying ‘Terminator’-like scenario, the autonomous devices would be used to assist first responders in rescuing hard-to-find survivors after a natural disaster. The engineers recorded themselves making sounds someone in jeopardy might create, like screams, bangs and claps. Then … Read more