The raven features a lot in native North American folklore, revered as a deity and regarded as a trickster and even as a mediator between life and death. For visitors to the Grand Canyon in Arizona, ...

It is sort of a drone and is inspired by the agility of birds like crows and ravens. It can walk, hop, and even fly. Raven adapts bird biomechanics to robotic locomotion. Raven has been designed ...