1、He always drones on about his problems.
2、But drones do have an Achilles' heel.
3、Dubai-based operator Ecocoast has two drones.
4、Fred watched as more alien drones crystallized into triangular lattices.
5、They have no pilots and controlled from outside the drones.
6、The skies above Gaza are buzzing with surveillance drones.
7、West says that drones can be used for crop-dusting and tracking livestock.
8、Without the need to accommodate crew, drones can be given strange radar-cheating stealthy shapes.
9、The drones started under President Pervez Musharraf, the former military ruler.
10、The FAA has not approved the use of personal drones just yet.
11、Grey areas already exist, however - particularly with the recreational use of drones.
12、There is a kind of drone race starting, he says. Harris says about 50 countries use surveillance drones, though not very many use armed drones the way the United States does.
13、Already Splash News, a paparazzi photo agency, is dreaming of using the drones to chase celebrities around the Hollywood Hills.
14、Drone makers say drones are exciting new technology and that the future will be controlled by them.
15、And the kit that is bought should support fighting units: a 62% increase in unmanned drones, for instance.
16、On the Gulf test Range near Eglin Air Force Base, Fla., an F-15 Eagle fired two missiles at two QF-100 drones at 10,000 feet and two more at two drones at 5,000 feet.
17、Other countries, though, such as Britain and Italy, have also been quick to deploy armed drones and Israel, in particular, has a thriving UAS industry, using drones in a wide variety of roles.
18、Pilots on the ground will control one of NASA's Global Hawk drones as it flies above tropical storms.
19、Robot weapons, such as the Predator and Reaper drones, have already been used in Iraq and Afghanistan.
20、Hundreds of intrusions by drones into planes' air space have been reported around the world in the past few years, but this one was close.
21、My mother would release her disconcerts by sullen drones of complaints and scoldings, as befitted her role of the disciplinarian of the family.
22、Meanwhile, emerging technologies—the drones, 3D printers and smart-home devices of the world—now seem a bit too old to be called "the next big thing".
23、In some faraway places in the world, drones are the fastest way to send medicine to people who are in great need of it.
24、Robots are being prepared for increasingly sophisticated roles in combat, in the form of remotely operated drones and ground-based vehicles mounted with machine guns and grenades.
25、From the slave drones of Huxley's Brave New World to the hollow-headed repli-cants of Heinlein's Tine Enough for Love and the production-line Hitlers of The Boys from Brazil, clones get a bad press.
26、The News reported that the drones were Global Hawks - which are generally used only for reconnaissance, flying for up to 36 hours, at more than 400mph and an altitude of up to 60, 000ft.
27、A team of scientists in Australia is developing aerial drones -small, unmanned aircraft -to track the movements of what's expected to be an unusually large plague of locusts this year.
28、The United States pledged not to place any U.S. ground troops in Libya and played a supporting role in much of the air campaign, flying drones that provide surveillance video.
29、Yet there is also a darker side to drones for U. S. oil companies and one that could threaten their ability to compete in foreign markets in the future.
