Invisibility cloaks and cloaks actually belong in the realm of fairy tales and science fiction stories. But they can actually be realized with so-called metamaterials. And the artificially created materials enable even more bizarre effects.
The term "meta" is Greek and means "beyond". As an addition, he describes a new type of material with properties that are only given to the substances by an artificially created structure. Compared to conventional materials, such "otherworldly" materials are more versatile, lighter, more heat-resistant or last longer, sometimes all of these together - and perform significantly better.
More and more metamaterials with fantastic properties are already being used technically. examples
