Cecil Moore wrote:

...
This is covered by the "Bubble" or "Multiverse" theory.
Between the bubbles, outside of any worm holes, there
exists absolute nothing. An expanding universe "displaces"
the absolute nothing. A particle, like a photon, cannot
"go there" because there is no medium, i.e. no structure.

http://www.space-art.co.uk/pages-en/...-Universes.htm

Hmmm, I have a hard time believing in this ... no harder than some have
believing in an ether ... LOL

Regards,
JS