Scientists Say They Can Reverse Time in a Quantum System

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Scientists Say They Can Reverse Time in a Quantum System
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'We can rewind to a previous scene or skip several scenes ahead.'

, the team from the Austrian Academy of Sciences and the University of Vienna detailed their findings. The familiar laws of physics don't map intuitively onto the subatomic world, which is made up of quantum particles called qubits that can technically exist in more than one state simultaneously, a phenomenon known as quantum entanglement.

"In a theater, [classical physics], a movie is projected from beginning to end, regardless of what the audience wants," Miguel Navascués, a researcher at the Austrian Academy of Sciences' Institute of Quantum Optics and Quantum Information who worked on the research, told"But at home [the quantum world], we have a remote control to manipulate the movie," he added. "We can rewind to a previous scene or skip several scenes ahead.

"If we could lock a person in a box with zero external influences, it would be theoretically possible," Navascués told. "But with our currently available protocols, the probability of success would be very, very low.""Also, the time needed to complete the process depends on the amount of information the system can store," Navascués added. "A human being is a physical system that contains an enormous amount of information.

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