The Crystal Button

The Crystal Button by Chauncey Thomas and George Houghton - A technocratic UTOPIA, The Crystal Button, or Adventures of Paul Prognosis in the Forty-Ninth Century (1891). A short story. The protagonist travels thence in a dream-state, learns how the peace is maintained through a rigorous and worldwide attachment to Truth, and, just as a comet destroys this idyllic civilization….. (encyclopedia of science fiction)