Looks similar to caltrops and what was used for anti-tank strategies. > Research on the Euplectella aspergillum (Venus' Flower Basket) demonstrated that the sp

Looks similar to caltrops and what was used for anti-tank strategies. > Research on the Euplectella aspergillum (Venus' Flower Basket) demonstrated that the spicules of certain deep-sea sponges have similar traits to Optical fibre. In addition to being able to trap and transport light, these spicules have a number of advantages over commercial fibre optic wire. They are stronger, resist stress easier, and form their own support elements. Gnarly!