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  • Context

    Modern-day Alice trades looking glass for wormhole to explore quantum wonderland

    If Lewis Carroll were alive today, he wouldn’t bother with a looking glass. His book would be called Alice Through the Wormhole.

    Being the mathematician that he was, Carroll (aka Charles Dodgson) would have kept current with the latest developments in quantum physics. He would no doubt be intrigued by a new paper describing an idea for the creation (or at least the simulation) of a...

    08/02/2017 - 07:00 Quantum Physics
  • News

    Quantum tunneling takes time, new study shows

    Quantum particles can burrow through barriers that should be impenetrable — but they don’t do it instantaneously, a new experiment suggests.

    The process, known as quantum tunneling, takes place extremely quickly, making it difficult to confirm whether it takes any time at all. Now, in a study of electrons escaping from their atoms, scientists have pinpointed how long the particles take...

    07/26/2017 - 07:00 Quantum Physics
  • News in Brief

    China’s quantum satellite adds two new tricks to its repertoire

    A record-breaking quantum satellite has again blown away the competition, achieving two new milestones in long-distance quantum communications through space.

    In June, Chinese researchers demonstrated that the satellite Micius could send entangled quantum particles to far-flung locations on Earth, their properties remaining intertwined despite being separated by more than 1,200 kilometers...

    07/07/2017 - 11:00 Quantum Physics
  • Editor's Note

    Dive deep to discover unexpected connections

    Readers often praise Science News for its brevity. It’s undoubtedly one of our defining features, and one of our core values. To deliver the latest news from a wide breadth of scientific subfields, our writing must be clear and concise. Our news gets to the point, with all the fascinating detail but none of the flab. Packing content in has long been the tradition at Science News — no surprise...

    07/06/2017 - 12:45 History of Science, Quantum Physics, Evolution
  • Essay

    A quarter century ago, the qubit was born

    John Archibald Wheeler was fond of clever phrases.

    He made the term “black hole” famous in the 1960s. He also coined the now-familiar “wormhole” and “quantum foam.” While further pondering the mystery of quantum physics at the University of Texas at Austin during the 1980s, Wheeler repeatedly uttered his favorite interrogative slogan: “How come the quantum?” And from those ponderings...

    07/05/2017 - 11:00 Quantum Physics, Computing
  • Feature

    Quantum computers are about to get real

    Although the term “quantum computer” might suggest a miniature, sleek device, the latest incarnations are a far cry from anything available in the Apple Store. In a laboratory just 60 kilometers north of New York City, scientists are running a fledgling quantum computer through its paces — and the whole package looks like something that might be found in a dark corner of a basement. The...

    06/29/2017 - 07:00 Quantum Physics, Computing
  • News

    Quantum satellite shatters entanglement record

    Particles of light born in space have connected two cities via a quantum link about 10 times longer than any created before.

    A quantum-communications satellite beamed photons to Earth, separating them by more than 1,200 kilometers. The feat showed that the particles of light can retain a strange type of interconnectedness, known as quantum entanglement, even when flung to opposite ends...

    06/15/2017 - 14:00 Quantum Physics
  • News

    Quantum tractor beam could tug atoms, molecules

    The wavelike properties of quantum matter could lead to a scaled-down version of Star Trek technology. A new kind of tractor beam could use a beam of particles to reel in atoms or molecules, physicists propose in the May 5 Physical Review Letters.

    Scientists have previously created tractor beams using light or sound waves, which can pull small particles a few millimeters or centimeters (...

    05/19/2017 - 07:00 Quantum Physics
  • News

    Key Einstein principle survives quantum test

    Particles with mind-bending quantum properties still follow a standard gravitational rule, at least as far as scientists can tell.

    The equivalence principle — one of the central tenets of Einstein’s theory of gravity — survived a quantum test, scientists report online April 7 at arXiv.org.

    In Einstein’s gravity theory — the general theory of relativity — gravity and acceleration...

    04/28/2017 - 07:28 Quantum Physics
  • Feature

    There’s still a lot we don’t know about the proton

    Nuclear physicist Evangeline Downie hadn’t planned to study one of the thorniest puzzles of the proton.

    But when opportunity knocked, Downie couldn’t say no. “It’s the proton,” she exclaims. The mysteries that still swirl around this jewel of the subatomic realm were too tantalizing to resist. The plentiful particles make up much of the visible matter in the universe. “We’re made of them...

    04/18/2017 - 08:00 Physics, Particle Physics, Quantum Physics