I had the same issue comprehending with a rubber band but this has clarified me.
This is a great post. The simplicity of explanation amazes me.
Whether they exist or not, matter-antimatter explosions are not what I would however want to witness. :)
I'm following you now and I hope you also follow back. :D
RE: Are there Antimatter Regions inside our Hubble Bubble? (Particle Physics Series – Episode 4D)