[Falling3]

I don't think the default position should ever be that physical phenomena without empirical evidence exist...

Also, what you're describing sounds more like a multi-dimensional (above the ones we're aware of) universe rather than a multiverse.

[charlesism]

  > what you're describing sounds more like a multi-dimensional (above the ones we're aware of) universe rather than a multiverse.

We’re aware of the possibility that we might do something, or could have done something. Does that count as an awareness of higher dimensions?

I don’t know enough about physics to understand how a multi-dimensional (above 4D) universe is different than a multiverse. I assumed they were one and the same concept.

[coldtea]

>I don’t know enough about physics to understand how a multi-dimensional (above 4D) universe is different than a multiverse. I assumed they were one and the same concept.

Imagine multiple copies of the same 4D universe.

How about that?