Quantum future

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Quantum computer is a computing device that uses the phenomena of

Quantum computer is a computing device that uses the phenomena of

quantum superposition and quantum entanglement to transmit and process data.
A quantum computer does not operate on bits, but on qubits that have values of both 0 and 1. Theoretically, this allows you to process all possible states simultaneously, achieving significant superiority over ordinary computers in a number of algorithms

What it is?

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Universal quantum computer is still a hypothetical device, abilities of which

Universal quantum computer is still a hypothetical device, abilities of which

are associated with the serious development of quantum theory in the field of many particles and difficult experiments.

Why are they not yet, even though they already exist?

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Cryptographic applications Due to the enormous speed of decomposition into prime

Cryptographic applications
Due to the enormous speed of decomposition into prime factors,

a quantum computer will allow decrypting messages encrypted with the widely used RSA cryptographic algorithm. Until now, this algorithm is considered relatively reliable, since the effective method of decomposing numbers into prime factors for a classical computer is currently unknown.

Possible uses

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Artificial Intelligence Studies Quantum computers are in theory well suited for

Artificial Intelligence Studies
Quantum computers are in theory well suited for machine

learning needs. They manipulate large amounts of data in a single pass and are able to simulate a neural network of exponential size.
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Molecular modeling It is assumed that with the help of quantum

Molecular modeling
It is assumed that with the help of quantum computers

it will be possible to accurately simulate molecular interactions and chemical reactions. Chemical reactions are quantum in nature. For classic computers, only relatively simple molecules can be calculated.