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Rigorous Science Creating a wormhole connecting two universes with different spacetime metrics?

A civilization wishes to create a wormhole connecting its universe to a universe with a different spacetime metric. For instance if we describe a timelike dimension with $+$ symbol and a spacelike...

1 answer  ·  posted 5y ago by Anders Gustafson‭  ·  last activity 5y ago by Anders Gustafson‭

Question reality-check physics wormholes