Sentences with phrase «flap over flight»

Not exact matches

Archaeopteryx doesn't have several features considered essential to flight in modern birds, such as a keeled breastbone to which several important flight muscles attach; a ball - and - socket arrangement that allows the wing to flap fully up over the back and down again; and a muscle pulley system that links chest and shoulder muscles, allowing the birds to swiftly alternate between powerful downstrokes and upstrokes.

Over the past six months, AFRL flew 22 research flights with the experimental wings, which according to researchers, can offer significant improvements over conventional flOver the past six months, AFRL flew 22 research flights with the experimental wings, which according to researchers, can offer significant improvements over conventional flover conventional flaps.

Silva's birds take flight over gleaming horizons with impossible geometries, flapping their wings with imaginary physics and stunning the viewer with beguiling colors and textures.