Four-dimensional space-time was not large, but it was extraordinarily vast.
Yes, those two things were not contradictory.
Measured by its own constant C, its radius was only eight billion light-years. But the depth and breadth of its volume were beyond anything three-dimensional space-time could imagine.
Because this was not cubic volume. It was Tai Cube volume.
That gave its scale a sense of almost unfathomable depth.
If compared directly with three-dimensional space-time, the Four-Dimensional World was actually tiny. It was curled up within the Planck Scale, and any speck of dust in three dimensions was far larger than it.
But size decided nothing. When three-dimensional beings looked up at it, everything in four dimensions seemed terrifyingly vast. After all, what they saw were merely projections of four-dimensional facets. No matter how large a shadow grew, it meant nothing.
The units were different. Comparison itself was meaningless. The speed of light had increased by a factor of 10²⁴, and Four-Dimensional Energy was frighteningly greater than before. So what?
Now that they were Four-Dimensional Life, all of it felt ordinary.
Vast clouds of Sound Charge Matter drifted through the True Vacuum, forming galactic clouds.
Their nature was entirely different from that of a three-dimensional starfield, with Spiral Force and Surge Force governing this place. Even so, calling them galactic clouds was close enough.
The Source World lay within them, a region of gravitational anomaly.
Inside that region, a cloud of Sound Charge Matter, a small invisible patch of the Soul Sea, and an insect made of many Black and White Atoms formed the foundation of the entire Three-Dimensional World.
Together, they occupied an area equivalent to only a few dozen kilometers in four dimensions.
A gigantic, nine-colored apparatus enclosed the area like a Dyson Sphere.
There was an opening in the Dyson