3 p.m., Jan. 17
General Atomics’ Gray Eagle can stay in the air for 30 hours at a time.
Posted February 3, 2014
Stories this photo appears in:
Let's call them "flying robots"
I want to believe that when we talk about drones — also known as unmanned aerial vehicles or unmanned aerial systems — whose bodies vary from pterodactyl-big to mosquito-small (the Robobee, a robotic insect, weighs ...