Quantum Physics

  1. Quantum Physics

    Quantum interpretations feel the heat

    Landauer’s principle shows a way to test competing interpretations about quantum physics.

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  2. Quantum Physics

    Confirmed: Quantum mechanics is weird

    The first demonstration of a loophole-free Bell test validates the weirdness of quantum physics.

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  3. Quantum Physics

    Future quantum computing could exploit old technology

    Silicon transistors have been modified and patched together to form logic gates that could perform calculations in future quantum computers.

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  4. Quantum Physics

    Entanglement: Gravity’s long-distance connection

    The universe may be a vast quantum computer that safely encodes spacetime in an elaborate web of entanglement.

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  5. Quantum Physics

    Quantum choice can be counterproductive

    In a puzzling paradox, delivering quantum messages becomes more difficult if the intended recipient offers the sender multiple options for the time and place of delivery.

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  6. Quantum Physics

    Shinsei Ryu: Error-free quantum calculations

    Physicist Shinsei Ryu navigates the confusing border between the quantum and everyday realms.

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  7. Quantum Physics

    New experiment verifies quantum spookiness

    A new experiment provides the most robust proof that quantum mechanics doesn’t follow the rules we take for granted in everyday life.

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  8. Physics

    Hawking proposes solution to black hole problem

    Light sliding along the boundary of a black hole encodes everything that ever fell inside, suggests Stephen Hawking in a new but incomplete proposal.

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  9. Quantum Physics

    Physicists get answers from computer that didn’t run

    By exploiting the quirks of quantum mechanics, physicists consistently determined what a quantum computer would have done without actually running the computer.

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  10. Quantum Physics

    Quantum communication takes a new twist

    A three-kilometer transmission of light above the Vienna skyline demonstrates that scientists can use the twistiness of light to encode delicate quantum information.

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  11. Quantum Physics

    Quantum dots get a second chance to shine

    Quantum dots, semiconductor particles that can emit a rainbow of colors, have been put to work observing living cells, with possible benefits for medical diagnosis.

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  12. Quantum Physics

    Quantum experiment dissects wave-particle mash-up

    A modified version of a landmark quantum physics experiment has shown that a single parcel of light can be a particle and a wave simultaneously.

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