The Metaphysics of Real Space

the metaphysics of real space:

first the visual bias, hence the 3D mechanical motion theoretical model, that what we see guides our way is true for all, but the blind.

it seems there are only 3 dimensions of space. but how is it that we can see and hear things at more or less the same spatial location around our head? is it because there are in fact more dimensions than 3? or is it that real space is so densely packed with light least bits of matter and sound least bits of matter in a variegated fashion?

or are there layers like a sandwich? a layer of sound least bits of matter behind a layer of light least bits of matter, for example? alternating layers perhaps?

if theoretically it is easy to call that, well maybe there are 4 dimensions of space, we however find it so hard to imagine that perhaps it's not true?

i am not a solipsist, the very thought turning to belief disturbs me greatly. but who does anyone really know apart from their neighbours stuck to them in real space? they say one little thing here can affect the whole world but is that even true? are there people out there who know nothing of me and for which i have no affect? personal bubble spaces may be connected in the sense that from least bit of matter to neighbouring least bit of matter there is a long chain but does one personal bubble space at one end of real space affect much the personal bubble space at the other end? it seems unlikely that people at the central zone of real space are solipsistic.

CLEARCHARGE