Spanish scientists have developed a new invisibility cloak could shield the magnetic field

 Spanish researchers have designed a new type of "invisibility cloak" that can shield the external magnetic field, and to prevent leakage outside the internal magnetic field. The idea of ​​shielding the magnetic field had previously been suggested before, but this latest design even hidden magnetic materials. Therefore, it can be applied to defense or the medical field, for example, they cover around the MRI scanner. The research is published in the "new physics" magazine.

Superconducting layers and using metamaterials (metamaterials) method is familiar with the current Institute's invisibility cloak. Design of metamaterials are artificial materials, natural materials, it can not be the way to guide electromagnetic waves, such as light or magnetic field. Most recent studies are trying to make metamaterials like Harry - Potter's invisibility cloak, like the film have an effect, to guide light from around the cloak around the wearer, but the current test is only limited to small objects or colors scope confirmed the results.

The report's first author Alvaro - Sang Chezi explained, but because the same light and magnetism are two physical force, many of the same rule can be used to confirm the magnetic invisibility cloak. He said: "Over the past 150 years, Magnetic has been very important for the development of technology and we are very clear how to generate the magnetic field, but we do not know how to eliminate the magnetic field within a specific area."

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