Importance

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Abstract

The invention relates to products, methods and devices for remote communication or control using chromogenic materials. Several samples including at least one kind of chromogenic materials are simultaneously irradiated or radiated together by an appropriate entangled radiation, e.g, gamma, X, ultraviolet or visible radiation, provided by a cascade from an atomic source, or by the target of a linear particle accelerator or by a non-linear crystal. When the samples are separated, one of them, qualified as the master, is stimulated by a traditional method that uses infrared or white radiation or by heating, and a signal is measured that represents the partially correlated excess variation of opacity or coloration of the other sample(s), qualified as slave(s). There is no known method of interference between the master and the slaves. The slave(s) are the only ones capable of instantaneously receiving the signal from the master through all media and from any distance. The method and the equipment are particularly intended for communication or control applications.

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First Claim