Unlike ordinary computers using bats (0 or 1), quantum computers work with cubes – they can be in several conditions at the same time. Mixing these cubes in random order is a way to show that quantum devices can be better than the classic. However, this process was complex and risky: the more confusion, the chances of “breaking” the fragile quantum state.
Scientists proposed a new approach: divide the cube system into small blocks, mix separately and then “paste”. Mathematical calculations confirmed that it was working.
With this discovery, it will be possible to use random cube configurations in larger quantum systems for encryption or modeling tasks.
Source: Ferra

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