The choice of materials, joints, load distribution, and size and thickness of a structure all affect its ability to resist loads. For example, a triangle made of paper would collapse much sooner ...

The models were named hexaflexagons—“hexa” for the six triangles that form the hexagonal face, and “flexagon” for the structure’s ability to flex. Stone’s first model is a ...

So triangles make stronger structures. Rio is going to test this using this heavy bowl. The structure made out of triangles should be stronger. Nice one, Rio! Or we could stack materials to make ...