Background Shiva is energy. Uma which means quiet is potential energy in matter forms. durgA which means impassable or cannot be crossed over, is kinetic energy of matter forms. Tripura sundari is the vacuum energy that fills the three dimensional empty space. Adi Shankaracharya calls 'mInAksI' as the ocean of bliss that fills the inside of all, becomes their fundamental 'rhythm' on which they are built, combination of Sri-Vidhya and Uma, the true/fundamental/realistic form of Shiva or the representation of Shiva, to whom Vishnu, Brahma and Indra submit to or make use of, that which is more elder/respected/senior than vAni and rama, but junior to nArAyaNa. According to science, the bliss that fills the inside of all, the fundamental rhythm underlying all, the fundamental and true representation of energy in all matter and beings is oscillations of zero-point energy. Zero point energy is a combination of Kinetic and potential energy. Mass, Spacetime curvature/gravity ...