Many-worlds and
multiverse ideas,
honestly. What's
testable vs. purely
philosophical, why
physicists still disagree.

Explain the Multiverse Interpretations of Quantum Mechanics, Honestly

What's testable, what's philosophy wearing a lab coat, and why physicists still argue.

Prompt

Explain the many-worlds interpretation and other multiverse ideas in physics honestly — what they actually predict, what's testable versus purely philosophical, and why serious physicists disagree about them.