In general usage, symmetry most often refers to mirror or reflective symmetry; that is, a line (in 2-D) or plane (in 3-D) can be drawn through an object such that the two halves are mirror images of ...

Symmetry attracts us. Studies comparing people’s reactions to different faces have shown, for example, that they find highly symmetrical faces more attractive than less symmetrical faces. The symmetry ...

The Rubik's cube conundrum can always be solved in 20 moves or less, an international team of scientists and Google engineers have discovered. By Andrew Hough 12 August 2010 • 6:30am The “riddle” of ...