The net of a 3D shape is what a shape looks like when opened into a 2D shape. The net can help to show the areas of each face that make up the surface area of a shape. The same units are needed for ...
Flat-pack furniture is commonplace, and flat-pack pasta might be one day too. Wen Wang of Carnegie Mellon University in Pennsylvania and her colleagues have developed edible 2D pasta that swells into ...