Engineering

Is it a bird, a plane? Not superman, but a flapping wing drone

A drone prototype that mimics the aerobatic manoeuvres of one of the world's fastest birds, the swift, is being developed by an international team of engineers in the latest example of biologically inspired flight.

Engineering

Drag can lift birds to new heights, researchers find

Future aerial design may owe a nod of thanks to five parrotlets flapping around in an instrumented flight chamber at Stanford University. They revealed that counter to conventional understanding of how animals and planes ...