Post

Mas
@apyli.bsky.social

from other link "If you ran your hand the other way, it would feel rough like sandpaper and the researchers suspected this bristling has the crucial effect of disrupting currents that might swirl back against it – known as flow separation – and cause drag." www.independent.co.uk/news/science...

independent.co.ukSecret from skin of 80mph shark used to help make aircraft faster'The potential for a man-made surface to utilise this entirely passive mechanism even in air is very exciting,' says US Army-funded study
A_lethe_ion
@aletheion.bsky.social

kinda makes sense. theres that joke about a physicist idea of a cow: an orb. in a model a plain can fly straight, in life its kinda impossible bc theres so many currents, density changes, vibrations that would cause small changes in current that then affect the surface again