tag: physics
3 proofs
Quantum entanglement enables the transmission of usable information faster than the speed of light when the distant parties pre-agree on a measurement basis.
Sources: Wikipedia — No-communication theorem, Caltech Science Exchange — Quantum Entanglement, Wikipedia — Faster-than-light communication +1 more
The theoretical vacuum energy density from quantum field theory exceeds the observed cosmological-constant value inferred from Type Ia supernovae by more than 10^120 orders of magnitude.
Sources: Wikipedia — Cosmological constant problem, Wikipedia — Dark energy, CosmoVerse COST Action — Quantum vacuum: the cosmological constant problem
The twin paradox in special relativity can be resolved only by invoking general relativity and the acceleration of the traveling twin.
Sources: UCR Physics FAQ (maintained by John Baez), Wikipedia — Twin paradox, Scientific American +1 more