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Archive for the ‘quantum physics’ category: Page 705

Feb 26, 2018

Chinese satellite uses quantum cryptography for secure video conference between continents

Posted by in categories: encryption, quantum physics, satellites

Quantum cryptography has never been possible over long distances. But the first quantum communications satellite is rewriting the record books.

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    Feb 26, 2018

    Quantum Memory Storage is More Efficient and Secure Than Ever

    Posted by in categories: computing, quantum physics

    A new technique has raised the success rate of quantum memory storage from 30 to 70 percent. This leap in quantum computing could propel us closer to a future that connects us through ultra-secure quantum networks.

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    Feb 26, 2018

    Why Quantum Computers Will Be Exponentially Faster Than Digital Computers

    Posted by in categories: computing, quantum physics

    Check out this week’s episode of Singularity Hub’s video series, Tech-x-planations, to learn more about what a quantum computer really is.

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    Feb 23, 2018

    Here’s why people are working on languages for computers that barely exist

    Posted by in categories: computing, quantum physics

    There may soon be more quantum programming languages than there are quantum computers.

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    Feb 23, 2018

    Quantum computers offer next level processing

    Posted by in categories: computing, quantum physics

    Quantum computing will transform our computing capabilities.

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    Feb 23, 2018

    Two-way communication is possible with a single quantum particle

    Posted by in categories: particle physics, quantum physics

    One photon can transmit information in two directions at once.

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    Feb 22, 2018

    IBM Research Photo

    Posted by in categories: computing, quantum physics, space

    How do IBM scientists keep qubits colder than outer space?

    IBM quantum physicists Dr. Stefan Filipp and Dr. Andreas Fuhrer (pictured) will be discussing quantum computing live from the IBM Zurich Research Lab, and will demonstrate how they keep qubits so cold, explain why, and take your questions.

    Join us on Friday, Feb. 23 at 16:00 Paris time / 10:00 am EST.

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    Feb 20, 2018

    That’s odd: Quantum entanglement mangles space and time

    Posted by in category: quantum physics

    Spooky action at a distance – the dislocated effect of the quantum world – is real without a doubt. So the problem must lie in our perception of space and time.

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    Feb 17, 2018

    Physicists create new form of light

    Posted by in categories: computing, quantum physics

    MIT and Harvard physicists have created a new form of light that could enable quantum computing with photons.

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    Feb 17, 2018

    Physicists develop faster way to make Bose-Einstein condensates

    Posted by in categories: particle physics, quantum physics

    The world of an atom is one of random chaos and heat. At room temperatures, a cloud of atoms is a frenzied mess, with atoms zipping past each other and colliding, constantly changing their direction and speed.

    Such random motions can be slowed, and even stopped entirely, by drastically the atoms. At a hair above absolute zero, previously frenetic atoms morph into an almost zombie-like state, moving as one wave-like formation, in a quantum form of matter known as a Bose-Einstein condensate.

    Since the first Bose-Einstein condensates were successfully produced in 1995 by researchers in Colorado and by Wolfgang Ketterle and colleagues at MIT, scientists have been observing their strange quantum properties in order to gain insight into a number of phenomena, including magnetism and superconductivity. But cooling atoms into condensates is slow and inefficient, and more than 99 percent of the atoms in the original cloud are lost in the process.

    Continue reading “Physicists develop faster way to make Bose-Einstein condensates” »