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  2. Symmetry - Wikipedia

    en.wikipedia.org/wiki/Symmetry

    Symmetry (left) and asymmetry (right) A spherical symmetry group with octahedral symmetry.The yellow region shows the fundamental domain. A fractal-like shape that has reflectional symmetry, rotational symmetry and self-similarity, three forms of symmetry.

  3. R-parity - Wikipedia

    en.wikipedia.org/wiki/R-parity

    R-parity is a concept in particle physics.In the Minimal Supersymmetric Standard Model, baryon number and lepton number are no longer conserved by all of the renormalizable couplings in the theory.

  4. Rotational symmetry - Wikipedia

    en.wikipedia.org/wiki/Rotational_symmetry

    Rotational symmetry of order n, also called n-fold rotational symmetry, or discrete rotational symmetry of the n th order, with respect to a particular point (in 2D) or axis (in 3D) means that rotation by an angle of ⁠ ⁠ (180°, 120°, 90°, 72°, 60°, 51 3 ⁄ 7 °, etc.) does not change the object.

  5. Symmetric difference - Wikipedia

    en.wikipedia.org/wiki/Symmetric_difference

    Venn diagram of = . The symmetric difference is equivalent to the union of both relative complements, that is: [1] = (), The symmetric difference can also be expressed using the XOR operation ⊕ on the predicates describing the two sets in set-builder notation:

  6. Symmetry number - Wikipedia

    en.wikipedia.org/wiki/Symmetry_number

    A sphere colored to show the 48 fundamental domains of octahedral symmetry.. The symmetry number or symmetry order of an object is the number of different but indistinguishable (or equivalent) arrangements (or views) of the object, that is, it is the order of its symmetry group.

  7. NFL reportedly considering measuring first downs with ...

    www.aol.com/sports/nfl-reportedly-considering...

    The Bills were eventually ruled short and turned the ball over on downs. The Chiefs subsequently scored a touchdown five plays later that gave them a one-score lead.

  8. Custodial symmetry - Wikipedia

    en.wikipedia.org/wiki/Custodial_symmetry

    In the Standard Model of particle physics, the custodial symmetry [1] is a residual global SU(2) symmetry of the Higgs potential = (†) (†) beyond the basic SU(2)×U(1) gauge symmetry of the Weak Interaction that prevents higher-order radiative-corrections from driving the Standard Model parameter away from ≈ 1 after spontaneous symmetry breaking.

  9. Every Grammys 2025 performer ranked, including Chappell ... - AOL

    www.aol.com/brutally-honest-reviews-every-grammy...

    (L-R) Sheryl Crow, Brittany Howard, St. Vincent, Taylor Goldsmith and Griffin Goldsmith of Dawes, Brad Paisley and John Legend perform during the Grammys Feb. 2, 2025 in Los Angeles.