Mathematicians’ Favorite Shapes Hold the Key to Big Mathematical Mysteries ...

The sphere has visited the square intent on making the square understand the three-dimensional world that he, the sphere, belongs to. He explains the notions of "above" and "below," which the ...

The model gives a three dimensional map of part of one of the crystal salts of penicillin. The contours are lines of electron density and show the positions of individual atoms in the structure.

The volume of an object measures the three dimensional (3D) amount of space it takes up. Volume is measured in cubes. A cubic centimetre is the volume within a cube that has sides of length \({1 ...