I don’t have bandwidth for a podcast just now; so ‘infinite’ in what direction? If the number of MWI timelines can be divided infinitely, then that seems like it would suffice, even if the universe is finite in many other ways.
Did he give any reasoning for that belief? Eg, does assuming non-infinitesimal worldlines improve the predictions of the interference of double-slit style experiments?
Again from what I recall: scientists have not found any evidence of infinities, math incompleteness problems go away without infinities, and computer physics models work even though computers have finite memories.
As Max Tegmark mentioned on this Rationally Speaking podcast quantum immortality might only work if the universe is infinite.
I don’t have bandwidth for a podcast just now; so ‘infinite’ in what direction? If the number of MWI timelines can be divided infinitely, then that seems like it would suffice, even if the universe is finite in many other ways.
As I recall, he doesn’t believe the universe is infinite in any direction.
Did he give any reasoning for that belief? Eg, does assuming non-infinitesimal worldlines improve the predictions of the interference of double-slit style experiments?
Certainly not the latter.
If there were any perceptible grain to them, we’d be about a picosecond from the abrupt end of the universe-as-we-know-it.
Again from what I recall: scientists have not found any evidence of infinities, math incompleteness problems go away without infinities, and computer physics models work even though computers have finite memories.