*Superluminal communication* refers to the hypothetical transmission of information at speeds faster than light. **According to the current scientific consensus, faster-than-light communication is not possible and no experiment has yet achieved it**. This is because, in a *Lorentz-invariant theory**, such communication would allow information to be transmitted into the past, thereby violating causality and resulting in logical paradoxes. Thus, superluminal communication, other than possibly through wormholes, is likely impossible. However, it is worth noting that no theoretical arguments have conclusively ruled out this possibility. Several theories and phenomena, including tachyons, quantum nonlocality, neutrinos, wormholes, and quantum tunneling, have been proposed or studied in relation to superluminal communication.

> *Lorentz invariance is a fundamental symmetry in physics that requires the laws of physics to be the same for all observers moving at constant velocities relative to one another. A Lorentz-invariant theory is one that respects this symmetry, meaning its equations remain unchanged under Lorentz transformations. Special relativity is an example of such a theory, and it is important in high-energy particle physics and cosmology.
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