Details that look sharp to people may be blurry to their pets

Compared with many animals, human eyes aren't particularly adept at distinguishing colors or seeing in dim light. But by one measure at least—something called visual acuity—human eyes can see fine details that most animals ...

Shake those wings

The solar arrays that will provide electricity to the Orion spacecraft were put through launch-day paces at ESA's Test Centre in the Netherlands to verify that they can handle the rigours of the trip around the Moon.

Earwigs and the art of origami

ETH Zurich researchers have developed multifunctional origami structures, which they then fabricated into 4-D printed objects. The design principle mimics the structure of an earwig's wing.

Advance could enable novel high-performance materials

An engineering physics professor at the University of Wisconsin–Madison has created new materials that behave in an unusual way that defies the standard theory engineers use for designing things like buildings, airplanes, ...

Silent singing crickets still going through the motions

A team of researchers with the University of St Andrews and the University of Cambridge, both in the U.K., has found that singing crickets in Hawaii have evolved to silence their singing apparatus but continue to sing inaudibly. ...

How deadly dragonfly wings bust up bacteria

Scientists have revealed the intricate detail of how dragonfly wings kill bacteria, thanks to new methods for using very powerful microscopes to see nature's smallest structures in three dimensions.

Sequential model chips away at mysteries of aircraft

Ice accumulation on aircraft wings is a common contributing factor to airplane accidents. Most existing models focus on either ice that freezes as a thin film on the airfoil, or immediately after it impacts the wing. Researchers ...

Small birds have more efficient wing strokes than bats

Small birds are more energy-efficient than bats when flying. Researchers previously believed this was due to air resistance created by the bats' ears. However, biologists at Lund University in Sweden have now discovered another ...

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