Wings. One fairly recent experimental plane [1] used aeroelasticity to control a plane instead of the normal surfaces. A wing made out of a material that can flex and bend would be able to much better take advantage of this effect.<p>[1] <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Boeing_X-53_Active_Aeroelastic_Wing" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Boeing_X-53_Active_Aeroelastic...</a>