Industrially developed countries have recently made progress in the field of the quantum Internet. Almost all such centers have achievements – in the Netherlands, Russia, Germany, the United States, and others.



At the same time, their goals are very diverse, from connecting, as it was at the very beginning, the cryptographic authentication equipment of two clients (as was done in the interests of, for example, German banks in Munich in 2009), to plans for connecting computers at the country level.


At the same time, as the analysis of such systems shows, it is more logical to go in the direction of creating an infrastructure for clustering such computers, both for the development of quantum equipment and for optimizing it.


One of the latest achievements in this direction was the work of scientists at the University of Chicago: they were able to set up and start transferring data between two physically separated nodes via a cable: as a result, a stable system was obtained, consisting of six entangled qubits located in two independent nodes connected by a cable.



This was not the end of their work: after the first phase of the experiment (combining nodes), the entanglement state was fixed: two qubits in the system were entangled and supported by the entanglement of other qubits.


Of course, these studies are extremely interesting, but how will this affect the reality around us? What will change in practice in our daily lives?

First of all, we can say that for sure that nobody will tell You: perspectives so fantastic, how the world of classical mechanics is different from the world of quantum physics is to understand the difference between the work of the cerebral cortex of man and of his subconscious, where there is, for example, the concepts of time and space – and at the same time, but they obey one law – the will of the storms of neurotransmitters and the structure of thought…


In other words, what can be said for sure – the first conclusion is the connection of computers to a network that can work, in fact, with data transfer rates comparable to working on a single real computer, taking into account the data transfer rate in a quantum network of the order of tens of nanoseconds…


This alone is enough, and all the other tasks – in fact, only an application to one information space, which will finally be able to circumvent the existing restrictions, as well as in the speed of not only data processing, but also in the speed of their transmission-who knows what such a cluster will be capable of within such a high-speed network? And then today’s race to increase the number of qubits in the system may not be so relevant…

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