| Metamaterial Radar Is Exactly What Delivery Drones Need |
| Echodyne’s radar uses what is known as a metamaterial, an artificial material specifically engineered to exhibit properties not found in nature, such as the ability to manipulate electromagnetic radiation in new ways. The company’s radar uses a metamaterial antenna that changes its physical structure to steer its beam. http://spectrum.ieee.org/automaton/robotics/drones/metamaterial-radar-is-exactly-what-delivery-drones-need |