Carnivorous plant inspires microlens array.
The Venus flytrap snares its prey by using the elastic instability in its leaves to snap from concave to convex in a fraction of a second. The carnivorous plant inspired two polymer scientists at the University of Massachusetts at Amherst to design an array of microlens shells that quickly switch from one curvature to the opposite (Adv. Mater. 19, 3589).
…