Your English writing platform
Discover LudwigSuggestions(5)
Exact(31)
Some of the most brilliant insect colours are not the result of pigmentation but are physical interference colours produced by fine laminae (grooves or pits) in the surface of the wing scales or the cuticle itself.
In an externally blown wing system, the exhaust from the jet engines is directed over the upper surface of the wing (and in some cases over the outer surface of the flap area.
As the angle of attack increases, so does drag; at a critical point, the angle of attack can become so great that the airflow is broken over the upper surface of the wing, and lift is lost while drag increases.
That opened a long slit in the surface of the wing four-tenths of an inch wide and about 22 inches long -- potentially, more than enough to let in the stream of superheated gases that melted the wing from the inside out as the craft entered the atmosphere on Feb. 1.
In 17B the obstacle is the wing of an aircraft with a slot through its leading edge; the current of air channeled through this slot imparts forward momentum to the fluid in the boundary layer on the upper surface of the wing to hinder this fluid from moving backward.
Air flowing over the curved top surface of the wing's airfoil moves faster than the air flowing on the bottom surface, decreasing the pressure on top.
Similar(26)
Figure 13b shows that these spikes are randomly distributed and vertical on the surface of the wings.
Ice makes the surface of the wings rougher, reducing the amount of lift they provide while increasing drag.
As they travel across the surface of the wings, the water droplets seemingly float on the air bubbles, the researchers explained.
He wrote that "the scattered green spots upon the under surface of the wings might have been intended for a rough sketch of the small flowerets of the plant [an umbellifer], so close is their mutual resemblance".
Before being presented to the birds the butterflies were mounted on a 1×4 cm piece of brown paper with superglue exposing the right ventral surface of the wings.
Write better and faster with AI suggestions while staying true to your unique style.
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com