A degree of freedom (DOF) is defined in physics as a pathway system can gain or lose energy. This can imply that the pathway is acted locally and globally in one dimension. However, the DOF is certainly much more effective within a local infinitesimal perspective. Many successful physical theories were formulated to describe it. The first notable person to attempt a physical description was Ludwig Boltzmann (1844-1906). Limited number of DOF gave Boltzmann the idea for the existence of atoms and molecules. On the other hand, infinite number of DOF gave Faraday and Maxwell the idea for the existence of fields of forces. Physical descriptions of both particles and fields and their interactions become the serious topics of research for the latest quantum field theories. Nonetheless, a final theory of quanta (particles) and fields still does not exist.
The direction of a point in space-time whether local or global cannot be described or represented by a single number. Furthermore, since a direction is measured by its angular displacement with respect to a given axis, the existence of the former implies the prior existence of the latter. Both the axis and the angle can then be used to establish a given coordinate system. In this case, it is the polar coordinate system established by specifying every space-time point as P(r,q). In a Cartesian rectangular system, three orthogonal axes X, Y, and Z specify a point P(x,y,z). In spherical coordinate system the same point is specified as P(r,q,f). Clearly, the third implies the prior existence of the first and the second with three defined axes to boot. Nevertheless, a true direction in the space-time continuum shouldn’t need the specification of any coordinate system. The belief of coordinate free physical quantities led to the mathematical inventions of vectors, tensors, spinors, and twistors. Unfortunately, none of these can be used to describe a complete TOE about a quantum space-time, since all of these subsumed a hidden coordinate system from within while truly coordinate free states must at most subsume a coordinate system from without and at the least it only needs to subsume the existence of a coordinate free norm (distance) as the square root of the sum of squares of eight closest neighboring distances. The scalar product of the square norm and the square of equal magnitude primary forces establish a singular square of energy as a quantum of space-time. Similarly, playing billiards, eight ball in the corners or in the side pockets decides the winner of a fair game.


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