Measurement problem —
why observing a
system seems to
change it. Copenhagen
vs. many-worlds,
honestly, weaknesses included.

Explain the Measurement Problem in Quantum Mechanics

Two competing answers to quantum mechanics' oldest unsolved question.

Prompt

Explain the measurement problem in quantum mechanics — why the act of observing a system seems to change its behavior — and walk through two competing interpretations (Copenhagen and many-worlds) honestly, including their weaknesses.