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Originally Posted by GUILLE When the space and time axis get together |
space axis and time axis can never get together. They are always orthogonal, perpendicular, 90 degrees apart. Our own space-time axes always subtended at a given angle to the universal space-time axis of the universe. This angle gives our average human life-span. If our space-time axis is at 45 degrees then we live forever. However, for photons, their space-time axes are all at nearly 45 degrees to the universal space-time axis, I think that is why photon are stable meaning they do not aged, do not grow old even they can lose energy. Energy can be explained as the interactions of photon's positive and negative space axes.