🚀 go-pugleaf

On Aug 1, 10:55 pm, Matthew Johnson <matthew_mem...@newsguy.org>
wrote:
> In article <92146a39-0fed-4622-a517-3993d20c4...@e53g2000hsa.googlegroups.com>,
> PD says...
>
> >The constituents in an ionic crystal are the ions. The volume of the
> >crystal lattice unit is not driven by the size of the ions.
>
> >The constituents of an atom are the nucleus and the electrons. The
> >volume of the atom is not driven by the size of the electron or the
> >size of the nucleus.
>
> >The constituents of a nucleus are (primarily) the protons and
> >neutrons. The volume of the nucleus is not driven by the size of the
> >protons and neutrons.
>
> >The constituents of a proton are quarks and gluons. The volume of the
> >proton is not driven by the size of the quarks and gluons.
>
> This is all fine and good, but what does 'size' or 'volume' even -mean- in these
> contexts? After all, the only meanings I can find for the word 'size' is
> different in each of these. For atoms, I would assume you mean "Bohr radius".
> Unless, of course, you really mean scattering cross-section or even distance
> between successive nuclei in a crystal array of the pure substance.
>
> The last of the three senses would make more sense in your ionic crystal
> example, the second for your proton example.
>
> Then again, there are so many different cross-sections and capture radii...
>
> This, BTW, is why I always feel such skepticism when I see a science news
> article talking about seeing atoms with some new microscopic technique: what is
> it they are really 'seeing'? Level curves in the orbitals? I haven't seen an
> answer to this in any of the articles yet.
>
> Why, they are written as if the writer never even thought to ask the question.

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you start going on the right way
by discovering more and more
questions that are
really un answered !!

so keep asking
because
asking is the half way for  starting answering
the greatest disaster of 'modern science
is the pose of 'it is well known ' !!!
ATB
Y.Porat
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