The most interesting and noteworthy aspect is that scientists managed to return a particle to its past point without losing its quantum state and without completely destroying it. This situation is assessed in the scientific world as a real revolution.
To explain briefly, at the Austrian Academy of Sciences, a special protocol called the “quantum key” was created. It allows a photon to be returned to its previous point without the need for direct observation. This process preserves the state of superposition, meaning the particle can simultaneously be in the “0” and “1” state. This is the practical manifestation of a situation that previously existed only in theoretical imagination.
Importantly, this protocol works not only backwards, but also “forwards.” That is, the possibility arises to accelerate time by merging all possible directions and trajectories into a single result. In other words, it becomes theoretically possible not only to stop the passage of time but also to push it forward.
Another important point is that this method is envisaged to be applicable not only to a photon or small particles but to any quantum object. Consequently, in the future it may be applied even to large bodies. Imagine: the possibility exists of returning not only the human body but also various devices back in time.
Scientists emphasize that the main result is this — this scientific discovery is considered a big step for the development of quantum computers. A new generation of quantum computers working without errors will be able to carry out quantum simulations in medicine, science, and space research thousands of times faster. For example, processes such as drug development or the creation of cosmic models may accelerate sharply.
Of course, many years remain before people can freely control time in their lives. But, as scientists emphasized, we now have the first working protocol that makes it possible to change the direction of time. And this means the beginning of a completely new era for humanity.
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