Drone using shape-shifting wings

[Rhinocrates]

An article in New Scientist - the small drone flies as an ekranoplan, but the twist is that the membrane wings make use of vibrations to enhance lift, and will be able to vary stiffness.

https://www.newscientist.com/article/2078239-bat-drone-uses-shape-shifting-wings-to-skim-over-water/