According to Science Daily, scientists at the Department of Physics at the Universitat Autònoma de Barcelona have managed to create an electromagnetic wormhole, connecting two separate areas of space through a tunnel that is not magnetically detectable.
The researchers used metamaterials and metasurfaces to build the tunnel experimentally, so that the magnetic field from a source, such as a magnet or a an electromagnet, appears at the other end of the 'wormhole' as an isolated magnetic monopole. This result is strange enough in itself, as magnetic monopoles -- magnets with only one pole, whether north or south -- do not exist in nature. The overall effect is that of a magnetic field that appears to travel from one point to another through a dimension that lies outside the conventional three dimensions.
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