Robotics

Feathered robotic wing paves way for flapping drones

Birds fly more efficiently by folding their wings during the upstroke, according to a recent study led by Lund University in Sweden. The results could mean that wing-folding is the next step in increasing the propulsive and ...

Engineering

Elon Musk's new tunnel 'a little rough around the edges' (Update)

Elon Musk unveiled his underground transportation tunnel on Tuesday, allowing reporters and invited guests to take some of the first rides in the revolutionary albeit bumpy subterranean tubeā€”the tech entrepreneur's answer ...

Robotics

'PigeonBot' brings aircraft closer to feathered-flight

Since the dawn of the aviation era, inventors have strived to build aircraft that fly as nimbly as birds, whose morphable wings allow for faster, tighter turns and more efficient gliding.

Engineering

High-speed experiments improve hypersonic flight predictions

When traveling at five times the speed of sound or faster, the tiniest bit of turbulence is more than a bump in the road, said the Sandia National Laboratories aerospace engineer who for the first time characterized the vibrational ...

Electronics & Semiconductors

A new transverse tunneling field-effect transistor

Researchers at the Chinese Academy of Sciences have recently fabricated a transverse tunneling field-effect transistor. This is a semiconductor device that can be used to amplify or switch electrical power or signals, operating ...

Engineering

Cutting edge transistors for semiconductors of the future

Transistors that can change properties are important elements in the development of tomorrow's semiconductors. With standard transistors approaching the limit for how small they can be, having more functions on the same number ...

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