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Physicists create 'negative mass'

Washington State University physicists have created a fluid with negative mass, which is exactly what it sounds like. Push it, and unlike every physical object in the world we know, it doesn't accelerate in the direction ...

dateApr 17, 2017 in Quantum Physics
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Natural systems show nonlocal correlations

Classical correlations are part of our everyday life. For instance, if one always puts on a pair of socks of the same color and shape, looking at the color or shape of one sock determines the color or shape of its pair. Even ...

dateApr 12, 2017 in Quantum Physics
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Quantum-physical model system

Two researchers at Heidelberg University have developed a model system that enables a better understanding of the processes in a quantum-physical experiment with ultracold atoms. Using computer-assisted methods, Prof. Dr ...

dateApr 07, 2017 in Quantum Physics
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How to outwit noise in quantum communication

How to reliably transfer quantum information when the connecting channels are impacted by detrimental noise? Scientists at the University of Innsbruck and TU Wien (Vienna) have presented new solutions to this problem.

dateMar 29, 2017 in Quantum Physics
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In a quantum race everyone is both a winner and a loser

Our understanding of the world is mostly built on basic perceptions, such as that events follow each other in a well-defined order. Such definite orders are required in the macroscopic world, for which the laws of classical ...

Scientists evade the Heisenberg uncertainty principle

ICFO Researchers report the discovery of a new technique that could drastically improve the sensitivity of instruments such as magnetic resonance imagers (MRIs) and atomic clocks. The study, published in Nature, reports a ...

From black holes to helium

A team of scientists has discovered that a law controlling the bizarre behavior of black holes out in space—is also true for cold helium atoms that can be studied in laboratories.

Can quantum theory explain why jokes are funny?

Why was 6 afraid of 7? Because 789. Whether this pun makes you giggle or groan in pain, your reaction is a consequence of the ambiguity of the joke. Thus far, models have not been able to fully account for the complexity ...

How to counterfeit quantum money

A Polish/Czech research team has demonstrated how even a seemingly ultrasecure form of money, designed using quantum mechanics can have a potentially important security loophole putting it at risk of forgery. But this highlights ...

How photons change chemistry

The quantum nature of light usually does not play an important role when considering the chemical properties of atoms or molecules. In an article published in the Proceedings of the National Academy of Sciences scientists ...

IBM researchers create world's smallest magnet

An international team of researchers working at IBMs' San Jose research facility announced recently that they had created the world's smallest magnet—it was made from a single atom. In their paper published in the journal ...

'Blurred times' in a quantum world

When measuring time, we normally assume that clocks do not affect space and time, and that time can be measured with infinite accuracy at nearby points in space. However, combining quantum mechanics and Einstein's theory ...

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