> an atom is mostly empty space

I had an argument with someone, who was starting to get a
bit heated so I gave up, over an article regarding the fact
that some stellar bodies (neutron stars, magnetars etc) have
densities in the order of millions of tonnes per spoonful. I
forget the figures I quoted at him, but you're right. Only a
few billionths of an atom is 'something'. The enormous force
of gravity will squeeze all the 'nothing'*** out of an atom until
it's almost solid matter

The figures are quite impressive

http://en.wikipedia.org/wiki/Neutron_star

http://en.wikipedia.org/wiki/Magnetar

And a missing particle

http://en.wikipedia.org/wiki/Graviton

*** 'nothing' doesn't exist. They reckon linearity stops at Planck
time and distance, but you wonder
--=20
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