The mechanical clack, clack, clack of an orange robot on the march brought Caltech ’s new indoor drone arena to life. As it made its way across the floor on ostrich-like legs, six automated drones ...
PASADENA, Calif.—When our noses pick up a scent, whether the aroma of a sweet rose or the sweat of a stranger at the gym, two types of sensory neurons are at work in sensing that odor or pheromone.