After experiments carried out in the mid-twentieth century, scientists observed that measurements made on one of two or more rays from the same cathode ray source affected the rest of the rays, as if they had never been separated.

quantum entanglement

More than a quarter of a century later the same experiment had been repeated with lasers, cathode rays, and there were even those who claimed to have achieved it with chemical substances. Always trying to find a practical use for this curious phenomenon, as it promised to offer instant communication between two points, something not achieved until then.

Instant communication at the beginning of the 21st century.

At the beginning of the 21st century and to the surprise of many, it was possible to communicate between two millimeter objects, and although the communication lasted just a few picoseconds, it was a great step forward for science. Trying to eliminate latency in telecommunications was essential for that time, since between the earth and some planets it could even reach more than 10 hours.

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