Quantum foam is a simple field where each fleeting Plank-scale virtual particle has a direction vector and an amplitude of energy.
(The direction vectors are asymmetries of orientations of action in the fleeting manifestations of zero point virtual particles - in, out, no direction, or any particular specific vector of direction in three dimensions. See diagram below. These direction vectors can be visualized as self-powered "rollers" that come and go continuously, moving energy fluctuations along as they do so.)
The virtual particles manifest varying values (0, +, or -) of amplitudes of energy.
There are two dynamics here:
" Each fluctuation attempts to align with the overall direction vector of its direct neighbours.
" Each fluctuation attempts to neutralize the overall energy amplitude of its direct neighbours.
Source of Mass and nature of Gravity:
Individual fluctuation Direction vectors can focus, locally, locally, towards a common centre in Direction Alignments, point away, locally, from a common centre in Anti-Alignments, or have "random" direction vectors in "vacuum" regions.
The effect of Mass is created from stable or semi stable Direction Alignments, individually or in larger groupings.
Gravity is an outcome of focused direction alignments directing energy fluctuations and other smaller focus alignments into the centre of focus-alignments - at an accelerating rate because there are more and more focus-aligned "rollers" the further into a focus alignment they go.
The "curvature" of space-time is an outcome of differing regions of alignment, random and anti-alignment. A "particle' moves through this field in a path that is curved by the "in-out", or random nature these various regions.
Light and Time:
As fluctuations attempt to neutralize the energy of their neighbours, the direction vectors move excess neutralizing energy values, or borrow deficit energy values around the field, passing them on, neighbour to neighbour.
The overall propagation of these "passed-on/borrowed" amplitudes through the field is light. Its "speed" is an average of the propagations across particular configurations of direction alignments in the field. This creates the dimension of time. Light = Time.
(Is matter, space-time without the time dimension? See discussion about black holes below.)
Quantum entanglement:
The continual ongoing chaotic action of every individual fleeting fluctuation attempting to align with the direction vectors of its neighbours and neutralize the amplitudes of its neighbours, is quantum entanglement. It is impossibly chaotic, and interlinks the whole field almost instantaneously. (This could be pictured as an immensely chaotic field of "live, demented cogs" entrained in negative feedback loops, creating emergent phenomena.)
(Also, if the universe began in a singularity of any kind, all quantum states would have been superimposed in the beginning - that is, all were, and still are, entangled, every state with every other state. The universe is essentially a single quantum particle, spread out into four dimensions)
Lumpiness of space:
Direction alignments "direct/pull" Amplitude propagations into their foci, and anti-alignments "direct/push" Amplitude propagations away from their anti-foci. This "pushing" away of matter towards alignment foci, adds to the effect of gravity at alignment foci. Anti-alignments manifest in a space-time distribution essentially opposite to that of mass/Alignments. This gives an extra mechanism for the lumpiness and the "film and void" fractal structure of the universe.
Summary:
Virtual particle's Amplitudes attempt to zero-sum the energy of their immediate neighbours.
Virtual particle's Direction vectors attempt to align with the summed-over vectors of their immediate neighbours.
There we go, that sums up what I'm thinking right now
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