"Outlawing" wormholes and warp drives

Article Abstract:

Wormholes, warp drives, and other constructs of Albert Einstein's general relativity that appear to offer a good physics foundation for faster-than-light travel and even for travel back in time is discussed. It is hoped that a proper theory of quantum gravity might rule out wormholes and warp drives, when there is one.

United States, Evaluation, Relativity (Physics)

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Natural wormholes: squeezing the vacuum

Article Abstract:

A wormhole is a geometrical short-cut in curved space-time which allows, in principle, movement from one point in space-time to another. The theory of wormholes is the basis for the possibility of faster-than-light travel and time travel.

Column, Time travel

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New improved wormholes

Article Abstract:

Current research into wormholes, which are shortcuts from one part of the universe to another, is presented, and the possibilities that wormholes open up are discussed.

Analysis, Astronomy, Space environment, Topological dynamics, Space astronomy

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