On Feb 4, 9:05 pm, fom <fomJ...@nyms.net> wrote: > On 2/4/2013 8:48 AM, WM wrote: > > > On 4 Feb., 15:46, WM <mueck...@rz.fh-augsburg.de> wrote: > > >> There is in fact an unsolved question: We cannot name all natural > >> numbers between 1 and 10^10^100, as we cannot read 123123123123 from a > >> usual pocket calculator, but we can add them, their squares, their > >> cubes and so on. I find this surprising, as surprising as the fact > >> that it is dark at night > > > when having no information about the expansion of the universe. > > Cute. > > I read that argument for the finiteness of the > universe in a child's book. > > In an infinite universe, it is logically difficult > to explain why there is eventually no source of > light along every line of sight. > > The actual construction of the argument escapes > my memory, however.