On 17 February 2015 at 09:50, John Ross <[email protected]> wrote:

> This may seem off the subject, but conservation of mass-energy must not be
> correct, otherwise our Universe could not have become so large (in terms of
> both *mass and energy)*.
>
>
>
I believe this is true. Mass-energy isn't conserved on cosmological scales
by universes obeying general relativity.


> As an example the quark model presumes that there are neutrons in the
> nuclei of stable atoms.  But neutrons have a half-life to 10.23 minutes.
>

This is explained by the Pauli exclusion principle - see
http://en.wikipedia.org/wiki/Neutron#Bound_neutron_decay

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