The number indicates what-fold rotational symmetry they have, so the symbol labeled C2 has two-fold symmetry, for example. All cyclic shapes have a mirror image that “spins the other way.” ...

THE application of the theory of symmetry to decorative designs is well known to students of crystallography and to mathematicians interested in the theory of groups. Text-books on design do not ...

STARKVILLE, Miss.—Mississippi State Professor of Physics Dipangkar Dutta is a principal investigator on a groundbreaking experiment—revealing “symmetry” in physics doesn’t always behave as scientists ...