[ExI] Expansion of the Universe

[Mike Dougherty]

On Sat, Dec 29, 2012 at 5:17 PM, BillK <pharos at gmail.com> wrote:
> On Sat, Dec 29, 2012 at 8:19 PM, Ben Zaiboc wrote:
>> (Note that this is different to the 'periodic big bang' idea.
>> It's much less dramatic, just a periodic change in the density of the universe, like sound waves in air).
>
> You should always try to ground speculation on current science
> knowledge. If you invent something that is purely speculative then you
> might as well say God did it, as you can assume anything is possible.

sound waves in air is within the realm of current science knowledge.