Spin Foam

In physics, a spin foam is a topological structure made out of two-dimensional faces that represents one of the configurations that must be summed to obtain a Feynman's path integral (functional integration) description of quantum gravity. It is closely related to loop quantum gravity.

Read more about Spin Foam:  Spin Foam in Loop Quantum Gravity, The Idea, Definition

Famous quotes containing the words spin and/or foam:

    “In tragic life, God wot,
    No villain need be! Passions spin the plot:
    We are betrayed by what is false within.”
    —George Meredith (1828–1909)

    “Yet ere I can say where—the chariot hath
    Passed over them—nor other trace I find
    But as of foam after the ocean’s wrath”
    —Percy Bysshe Shelley (1792–1822)