"The physics of flight at such small scales is relatively poorly understood which makes designing small flying systems very difficult, " he told BBC News, adding that biological systems provided "critical insights into designing our own artificial flyers".
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Small airplanes flying today already are equipped with sophisticated gear that just a few years ago was available only to airline or military pilots: terrain warning systems, synthetic vision, direct GPS navigation, and more.
Aeryon provided the rebels with one of the small, unmanned flying devices in July.
Picture the person who, in midcareer, picks up a hobby like flying small airplanes, learns its rules and regulations and ponies up half a million dollars for a new plane.
While dozens of others have come and gone, it's had its own turbulent times, flying small planes on marginal routes, but it's remained a mainstay of Scottish island life under its various liveries.
Flying a small aircraft may never be child's play, but it is coming closer and closer to resembling a video game.
Since 1999, when Cirrus began selling FAA-certified airplanes, the company has attracted a different kind of owner-pilot. (Disclosure: I own and fly a Cirrus.) Many of us never thought of flying a small airplane until we saw a Cirrus.
Also imagine a frequent traveling businessman flying into a small airport for a nearby meeting.
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The 58-year-old disappeared with his wife and four others while flying in a small plane during a vacation to a Venezuelan island.
Small drones, such as flying cameras, are already available worldwide, and non-military surveillance were recently introduced to track poachers in the remote Indian state of Assam.
He will soon open a small factory in Dorset and a flying club in Cyprus.
There is a small explosion and the rat goes flying across the yard.
Safaris sometimes involve flying to remote locations in small planes that usually have a weight limit for bags, so packing light is key.
There are actually brave souls around the world who build and fly their own jetpacks, most notably Yves Rossy, a Swiss pilot who created a flying wing powered by four small turbofan engines.
Not for them the defensive approach favoured by the airlines, which is to emphasise the economic benefits of flying, note what a small share of overall emissions it releases and promise that some wondrous technology will lead to reductions in the distant future.
Flying above the Southeast Australia in a small Cessna, I could see a small puddle of blue in the distance.
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Nasa is working on flying vehicles with the initial goal of transforming small plane travel.
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In fact, 85 percent of companies using an airplane to help build their businesses are small or mid-size, and are most often flying to or from communities with little or no airline service.
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On the roof of a small, square house, a large white Taliban flag was flying.
For these organisms, getting down from a cloud may be more of an ordeal than getting up: spore-releasing fungi tend to shed spores at the times of day and year when thermals are most likely, and bacteria are so small and light that the slightest puff of wind can send them flying.
Lab members originally wrote the software in 2011 for a toy car racing game, in which small virtual cars zoom around a tabletop, realistically rounding behind books and flying off paper ramps.
In 1995 he sold the German bit of his company to Lufthansa Condor, a subsidiary of the German airline, giving him enough capital to buy a small fleet of Boeing planes, another selling-point over rivals still flying oily Tupolevs.
This detail hardly matters now at a time of such national sorrow, but if it helps explain why a large, modern and technologically-advanced country like Poland was flying such an old plane, perhaps that is of some small assistance.
For instance, she researched new reasons why her character makes her first entrance in an agitated state bursting in complaining that the hotel suite is too small and decided that Ms. Garland's fear of flying and ongoing war with her ex-husband were to blame.
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Sure, you don't need to waste fuel flying around an empty airliner, but even the company's small jet can burn through quite a bit of cash.
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Flying 260 miles above the earth, it can provide images of objects as small as 3 feet wide.
Alan Klapmeier, the co-founder of Cirrus, notes that glass cockpits transform the safety and ease-of-use of small aircraft, and could make them accessible to many people who were previously put off flying by the daunting complexity of an aircraft's controls.
Such detailed, small-scale measurements of a three-dimensional region of space would be impossible without satellites flying in formation.
In this update of the Flying Saucers concept, giant tires float on a cushion of air supplied by a bunch of small air jets.
The flying scenes are big and bombastic, and the sound quality makes you feel as though a small chamber orchestra were sitting on top of your head.
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