Ducks can fly. Ducks can swim. And, unusually, they’re pretty good at something in between – viz. hydroplaning (a.k.a. ‘Skeetering’). If you’ve seen them doing it, you might have wondered about the physics (and math(s)) behind it. In which case, you are not alone … “Common eiders (Somateria mollissima) are heavy sea-ducks that spend a […]