Engineering

Engineers study hovering bats and hummingbirds in Costa Rica

Each sunrise in Las Cruces, Costa Rica, River Ingersoll's field team trekked into the jungle to put the finishing touches on nearly invisible nets. A graduate student in the lab of David Lentink, assistant professor of mechanical ...

Robotics

The first wireless flying robotic insect takes off

Insect-sized flying robots could help with time-consuming tasks like surveying crop growth on large farms or sniffing out gas leaks. These robots soar by fluttering tiny wings because they are too small to use propellers, ...

Robotics

Beetle-inspired robots show improved flight capabilities

An analysis of how rhinoceros beetles deploy and retract their hindwings shows that the process is passive, requiring no muscular activity. The findings, reported in Nature, could help improve the design of flying micromachines.

Robotics

Robots, like animals, can adapt after injuries

Fish fins and insect wings are amazing pieces of natural engineering capable of efficiently moving their owners through water or air. People creating machines to swim or fly have long looked to animals as their models, designing ...

Engineering

World's heaviest soaring bird inspires wind power design

Mechanical engineers at the University of Alberta have teamed up with a renewable energy company to design and test wind turbines based on the wings of the world's heaviest soaring bird: the Andean condor, which is capable ...

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