With legs and wings, the RAVEN can take off with no runway, and even hop along the ground. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

The scientists explain: “RAVEN (Robotic Avian-inspired Vehicle for multiple ENvironments), which uses its bird-inspired multifunctional legs to jump rapidly into flight, walk on the ground, and hop ...

Most drones on the market are rotary-wing quadcopters, which can conveniently land and take off almost anywhere. The problem is they are less energy-efficient than fixed-wing aircraft, which can fly ...