Drones can navigate like bats using four mics and a speaker
548的彩大厅this could also be helpful for cars and underwater robots.
Drone network provides early warnings for natural disasters
the drones can also serve as wifi hotspots to keep people online.
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Bird-inspired wings could help small drones fly four times longer
548的彩大厅even a pocketable drone could stay in the air for hours.
Interior Department grounds Chinese-made drones
548的彩大厅it's worried about the possibility of spying.
Heathrow Airport installs anti-drone system that can locate UAV pilots
548的彩大厅it will help enforce the five-kilometer drone no-fly zone around the airport.
US may permanently ground civilian drone program over China fears
it's not clear if the interior department's worries are justified.
V-Coptr Falcon is a bi-copter drone with a 50-minute flight time
548的彩大厅that's nearly twice as long as most other consumer drones'.
I remotely patrolled a house with a $10,000 security drone
an extensive safety system for deep-pocketed homeowners.
The PowerEgg X drone doubles as a handheld camera
it can be upgraded to be waterproof, too.