Parity Symmetry

Some articles on symmetry, parity:

Mirror Photon
... deals with three basic types of spatial symmetry reflection, rotation and translation ... The known elementary particles respect rotation and translation symmetry but do not respect mirror reflection symmetry (also called P-symmetry or parity) ... the strong interaction, the weak interaction, and gravity—only the weak interaction breaks parity ...
Mirror Matter
... deals with three basic types of spatial symmetry reflection, rotation and translation ... The known elementary particles respect rotation and translation symmetry but do not respect mirror reflection symmetry (also called P-symmetry or parity) ... gravity—only the weak interaction breaks parity ...

Famous quotes containing the words symmetry and/or parity:

    “What makes a regiment of soldiers a more noble object of view than the same mass of mob? Their arms, their dresses, their banners, and the art and artificial symmetry of their position and movements.”
    —George Gordon Noel Byron (1788–1824)

    “The U.S. is becoming an increasingly fatherless society. A generation ago, an American child could reasonably expect to grow up with his or her father. Today an American child can reasonably expect not to. Fatherlessness is now approaching a rough parity with fatherhood as a defining feature of American childhood.”
    —David Blankenhorn (20th century)