There's nothing inherently wrong with 'infinity' from a mathematics point of view. From the viewpoint of physics though? Infinity isn't the issue there either imo, more specifically the infinity, not of 'Space', but of 'Time', is the problem. Once 'Time' is brought into the equation we have the problem of beginnings and endings, - 'something from nothing', etc... We had a discussion a year or two ago relating to this, and I said then that I think 'time' is a fictitious dimension which nether language, not the human mind itself for that matter, can really overcome.

HOWEVER... ...I will try.

We speak of 3 dimensions + Time but often we interchange distance (i.e. Length) and Time, - if someone says to me, "How far is it from here to Manchester?", I might say 220 miles. On the other hand I might just answer, "Oh about 2 and a half hours...", thereby interchanging Distance and Time.

3 Dimensional Universe1st dimension = Length (a line on a page), 2nd dimension = Breadth (a line expanded widthways to produce a flat surface), 3rd dimension = Height (a flat surface expanded 'up' or 'down' to produce a cube).

What if this is incorrect?

Try this:

1st dimension = just a set of 'empty' co-ordinates (i.e. a Placeholder in Space), 2nd dimension = a set of co-ordinates containing an Elementary Particle, which is probably billiard ball shaped and so is in itself 3 dimensional (indicating that the 2nd dimension is really already the 3rd, as we currently know it), 3rd dimension = many Elementary Particles adhered together, to produce, well, a bigger piece of Matter. OR, alternatively, it might be the same initial Elementary Particle existing in many other 'Now's' (i.e. existing merely at an adjacent set of co-ordinates). Which in effect makes Elementary Particles 3-dimensional, 'Space' something with infinite dimensions, and 'Time' ...non-existent.