The story
From Everett + Wheeler + telephone. Based on the physics of Hugh Everett III and John Archibald Wheeler. Coined by American physicist Joseph Polchinski in 1990.
Etymology from Wiktionary, CC BY-SA 4.0.
Everett-Wheeler telephone
Today it means: A method of transmission of information between different quantum universes in branches of the quantum multiverse that exist after the creation of the telephone, in an MWI of quantum physics. Full definition →