| Camera-equipped quadcopters are turning out to be a great way to explore places that humans can't be. |
| Usually, quadcopters are steered by humans, or they send their data to a powerful earthbound computer, which then returns the necessary control signals. |
| Quadcopters and other drone-type devices are being put to good use by researchers, conservationists, game wardens, and wildlife biologists. |
| He says the quadcopters, which measure less than a foot in diameter, take off from autonomous ocean vehicles, which serve as miniature aircraft carriers. |
