Engineering

4D composite printing could improve the wings of drones

The aviation industry faces multiple pressures from higher fuel costs and increased scrutiny over the environmental and quality-of-life impacts from its aircraft. Researchers are looking for new methods of keeping expenses ...

Energy & Green Tech

Bionic wing flaps improve wind energy efficiency

Wind energy relies on efficient wind turbine blades, which act as airfoils, structures akin to an airplane wing. Air flow control accessories similar to those found in aircraft improve the turbine blade's aerodynamic performance.

Engineering

Aircraft security: Diagnosis during flight is possible

The pressurized cabins of commercial aircraft, as well as their wings and tail units, are inspected for cracks and damage at regular intervals. Every six to ten years, each jet has to undergo a D-check in a hangar for one ...

Robotics

Engineers uncover the secrets of fish fins

Peer into any fishbowl, and you'll see that pet goldfish and guppies have nimble fins. With a few flicks of these appendages, aquarium swimmers can turn in circles, dive deep down or even bob to the surface.

Engineering

Shape-memory alloys might help airplanes land without a peep

Having a home near a busy airport certainly has its perks. It is close to many establishments and alleviates the problem of wading through endless traffic to catch flights. But it does come at a cost—tolerating the jarring ...

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