Our readingWhat is a korrent?
The many-worlds interpretation invents infinitely many unobservable universes to avoid what quantum mechanics is plainly saying: that measurement matters.
Drawn from what Adam Frank said
What these subjects mean
physics Fundamental physics: unification, relativity and quantum mechanics, and whether string theory is still the candidate.
quantum mechanics The theory itself and the arguments about what it means -- measurement, collapse, and whether nature is locally causal.