AeroVironment, the California-based company behind the largest, highest and longest flying unmanned aircraft system (UAS), the Global Observer, has now achieved a remarkable technical milestone with a ...

Humans with an appreciation of beauty may have marveled for millennia at the artistry of a darting hummingbird, but scientists announced today that for the first time they can more fully explain how a ...

Hummingbirds are some of the most sophisticated fliers on Earth, weaving in and out of branches without so much as rustling a leaf. Now, biologists have discovered a new mechanism these feathered ...

Hummingbirds are extreme athletes, deftly hovering and darting between flowers. Now a combination of high-speed filming and computer simulations reveals how the birds’ wings manipulate the surrounding ...

• Total Weight of Two-thirds of an Ounce Includes Batteries and Video Camera WASHINGTON, at AAAS Conference, Feb. 17, 2011 – AeroVironment, Inc. (AV)(NASDAQ: AVAV) today announced it has accomplished ...

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Our experiments tested the abilities of individual hummingbirds to fly in reduced oxygen, such as occurs at extreme high altitudes. The results allow us to understand the limits of high-altitude ...

Hummingbirds are tiny powerhouses. They weigh between 2 and 20 grams (most less than 5 grams) and their wings beat around 40-80 times per second. Some have been clocked at around 200 beats per second.

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Robyn Williams: We mentioned hummingbirds just then, delightful creatures who turn out to have very ...