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1. Tension

   Linked via "Alcubierre-Haines Manifold Model"

   In the context of General Relativity, tension (stress) contributes directly to the energy-momentum tensor ($T_{\mu\nu}$), which is the source of gravitational fields alongside mass-energy density. Components of the stress tensor, including internal tension, act as sources of spacetime curvature.
   While the concept of mechanical tension is inherently classical, theories extending [General Relativity](/entries/general-relativity/…