In article <firstname.lastname@example.org>, WM <email@example.com> wrote:
> On 22 Apr., 23:43, netzweltler <reinhard_fisc...@arcor.de> wrote: > > > > > If I am travelling to target T and I am as close as one shortest > > possible wavelength w to target T, is this the same as reaching T in > > reality? So, T - w = T? > > > How would you measure that? You have no sharp surface limit. You are a > wave-packet. > (And as long as you and the target exist, the shortest possible wave > does not exist, because some energy is missing.) > > > > Or is w still a real distance to travel > > (without having to travel halfway this distance, because halfway > > doesn't exist)? > > > > Whatever wavelength w is, it must have the same properties as 0 has in > > mathematics. Only for w = 0 it is valid, that T - w = T. > > > > > In reality there is not a d/2 for every d. > > > > Even in mathematics there is not a d/2 for every d. If d = 0. > > Of course there is d/2, but is does not differ from d.
It may not differ in physics, but it does in mathematics, which is not the same thing at all.
"As far as the laws of mathematics refer to reality, they are not certain; and as far as they are certain, they do not refer to reality."