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Scientists Learn to Play Time Backwards Using a Quantum Computer

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Mar 15, 2019 3:36 PM 1+ mon ago

Its not time travel, but scientists can turn back clock on a quantum computer

When Cher sang about wanting to turn back time, she could have packed in the career as a pop star and taken up quantum computing research if she had really meant those words. That's one possible takeaway from a newly published piece of research from the journal Scientific Reports. In the report, physicists reveal how they were able to wind the clock on a quantum computer a fraction of a second backward in time. Well, kind of.

Researchers from the United States, Russia, and Switzerland sent a quantum bit (called a qubit) from a more complicated state to an earlier, simpler one. The work was achieved using an IBM quantum computer.

"Here, we show that, while in nature the complex conjugation needed for time reversal is exponentially improbable, one can design a quantum algorithm that includes complex conjugation and thus ...

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Russian Scientists Used a Quantum Computer to Turn Back Time

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Russian scientists have apparently reversed the flow of time in an experiment they conducted on a quantum computer. The finding is unlikely to lead to a time machine that would wo...

Scientists Have Reversed Time in a Quantum Computer

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Scientists have demonstrated time reversal in a quantum computer, returning three qubits (the basic unit of quantum information) to their state a fraction of a second earlier. In ...

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Scientists Pull a    Doctor Who    and    Reverse Time    With Quantum Computer

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A team of scientists from the Moscow Institute of Physics and Technology, the U.S., and Switzerland, published their findings in Scientific Reports, and said they reversed time by ...

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Physicists reverse time using quantum computer

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Researchers from the Moscow Institute of Physics and Technology teamed up with colleagues from the U.S. and Switzerland and returned the state of a quantum computer a fraction of a...

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Physicists Reverse Time Using Quantum Computer

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