In quantum entanglement first, scientists link distant large objects

Physicists create quantum entanglement, making two distant objects behave as one.

Credit: Niels Bohr Institute
  • Researchers accomplished quantum entanglement between a mechanical oscillator and a cloud of atoms.
  • The feat promises application in quantum communication and quantum sensors.
  • Quantum entanglement involves linking two objects, making them behave as one at a distance.
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    10 mind-bending books on the nature of time

    Why does time flow in one direction? Why do humans perceive time so differently than it really is? Is there really a difference between the present, the past, and the future? These books explore these questions and more.

    • Despite being immersed in it and inexorably propelled by it, we don't really understand time all that well.
    • Fortunately, we can rely on the minds of our smartest writers to give us a good understanding of the one thing we all can't get enough of.
    • This list of books on time ranges from the complicated to the straightforward, the historical to the speculative, the scientific to the literary, and more.
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    Radical theory says our universe sits on an inflating bubble in an extra dimension

    Cosmologists propose a groundbreaking model of the universe using string theory.

    Getty Images/Suvendu Giri
    • A new paper uses string theory to propose a new model of the universe.
    • The researchers think our universe may be riding a bubble expanded by dark energy.
    • All matter in the universe may exist in strings that reach into another dimension.
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    How the Big Rip could end the world

    A theory from cosmology claims the Universe could rip apart to shreds.

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    • A cosmological model predicts that the expanding Universe could rip itself apart.
    • Too much dark energy could overwhelm the forces holding matter together.
    • The disaster could happen in about 22 billion years.
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    3 stunning ways Earth and spacetime could be destroyed

    A well-known cosmologist comes out with very stark warnings about particle accelerators.

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    • Respected astrophysicist Martin Reese has serious misgivings about the safety of the Large Hadron Collider.
    • The collider could destroy us in 3 different ways, warns Reese.
    • Despite the dangers, innovation should continue but with caution.
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