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Originally Posted by GUILLE As an answer I must say that 3d objects can be conected via 3d objects. You can get two cars put thm one meter apart. You get a ruler. The ruler touches with each end a car. The cars are 3d obejcts conected via 3d object: ruler. |
If you happen to be in Texas, you will see many bridges and overpasses, which were built to solve traffic jams and rush hour congestions. These bridges and overpasses are analogous to the vacuum bridges to overcome the mass congestions found everywhere in the universe as galaxies and stars. All things moves along curvatures, which are geodesic bridges in 4 dimensional manifold. But these geodesic bridges do not cross the fifth dimension of spacetime.