Hyper Fast Interstellar Travel Within General Relativity:The Alcubierre and Natario Warp Drive Spacetimes:From Science Fiction to Science Fact
Résumé
Warp Drives are solutions of the Einstein Field Equations that allows superluminal travel within the framework of General Relativity.There are at the present moment two known solutions: The Alcubierre warp drive discovered in $1994$ and the Natario warp drive discovered in $2001$.The warp drive seems to be very attractive because allows interstellar space travel at arbitrarily large speeds avoiding the light speed limit,time dilatation and mass increase paradoxes of Einstein Special Relativity.This is an introductory article without mathematics written for the general public outlining a brief resume of the "status quo" of the warp drive science from an Historical perspective.We cover the $3$ major obstacles raised by modern science against the physical integrity of the warp drive as a dynamical spacetime that can carry a ship at faster than light speeds.We show using a clear and accessible language that the Natario warp drive emerges as a "winner" against all the $3$ obstacles and can be regarded as a valid candidate for faster than light space travel.Our goal in writing a non-technical paper on this subject is to captive the interest of potential common readers that might would appreciate this subject avoiding the details of complex mathematical explanations.
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