Scientists learn how to reverse time -- in theory


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Quantum computing • Quantum mechanics • Time travel • Doctor Who • Physics

Scientists learn how to reverse time -- in theory CNN

(CNN) For most of us, the closest we'll get to time travel is watching an episode of "Doctor Who." A team of physicists from the Moscow Institute of Physics and Technology (MIPT), however, have come closer than most: using a quantum computer, they ...

If you're worried that quantum computers will crack your crypto, don't be – at least, not for a decade or so. Here's why The Register

Special report Quantum computing has been portrayed as a threat to current encryption schemes, but the ability of finicky vaporware to overthrow the current security regime looks like it's massively overstated. Richard Evers, cryptographer for a Canadian ...

No, scientists didn't just “reverse time” with a quantum computer MIT Technology Review

Amazing headlines about time machines are a long way off the mark, sadly.

'Time machine' breakthrough as quantum computer 'turns back clock' in weird experiment Yahoo News

Scientists have created a sort of 'time machine' where everything goes backwards – although you won't be able to go through a portal and visit your ancestors any time soon. Instead, the scientists are working in the weird, tiny realm of quantum mechanics ...

In a breakthrough study, physicists manage to 'reverse time' using a quantum computer

The researchers managed to send qubits – or units of quantum information – from a complex state to a simpler one using an algorithm.

Scientists Were Able to Reverse Time, But There's A Catch Mashable India (blog)

Scientific studies started as a way to satiate mankind's curiosity. But not all topics are supposed to be explored, for the safety of humans. One of the hottest entrants on that list is time travel, which has always divided the casually curious from the physicists who ...

Fear not, quantum computers won't break data encryption anytime soon PCGamesN

Current data encryption techniques may fend off the threat of quantum computing for some time to come, security experts say. In recent years the computational potential of qubits has led many to belief that current forms of encryption would be under threat by ...

Researchers send qubit back in time Cosmos

Russian scientists have succeeded in reversing time, albeit on a very, very tiny scale. The researchers, from the Moscow Institute of Physics and Technology, along with U.S. and Swiss colleagues, announce their findings in the journal Scientific Reports.

Time Travel BREAKTHROUGH: Physicists REVERSE time using Quantum Computer

The breakthrough came as they were able to go a fraction of a second into the past. It was discovered by researchers from the Moscow Institute of Physics and Technology (MIPT) who teamed up with experts from the US and Switzerland. They discovered the ...

Scientists reverse time on quantum computer ecns

Scientists have successfully returned the state of a quantum computer a fraction of a second earlier, moving a significant step closer to proving the reversal of "the arrow of time," according to a new study published Wednesday in Scientific Reports. "We have ...

Arrow of time and its reversal on the IBM quantum computer | Scientific Reports - Nature Nature

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Phys. Rev. A 94, 052133 (2016) - Trading coherence and entropy by a quantum Maxwell demon Physical Review Link Manager - American Physical Society

The second law of thermodynamics states that the entropy of a closed system is nondecreasing. Discussing the second law in the quantum world poses different ...

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