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E.g., 08/18/2019
E.g., 08/18/2019
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Your search has returned 104 articles:
  • News

    Latest claim of turning hydrogen into a metal may be the most solid yet

    Physicists are crushing it — hydrogen, that is. Squeezing the chemical element to extremely high pressure transforms it into a metal, a trio of researchers claims.

    The purported metallic hydrogen appeared at a pressure more than 4 million times that of Earth’s atmosphere, the scientists report June 13 at arXiv.org. If confirmed, the achievement would fulfill a long-standing quest to...

    06/28/2019 - 08:00 Materials, Condensed Matter
  • News

    In a first, scientists took the temperature of a sonic black hole

    Taking a black hole’s temperature is a seemingly impossible task. But now, physicists report the next best thing. They’ve measured the temperature of a lab-made sonic black hole, which traps sound instead of light.

    If the result holds up, it will confirm a prediction of cosmologist Stephen Hawking, who first proposed a surprising truth about black holes: They aren’t truly black. Instead...

    05/29/2019 - 13:00 Physics, Quantum Physics, Condensed Matter
  • News in Brief

    Physicists wrangled electrons into a quantum fractal

    Physicists have created an oddity known as a quantum fractal, a structure that could reveal new and strange types of electron behaviors.

    Fractals are patterns that repeat themselves on different length scales:  Zoom in and the structure looks the same as it does from afar. They’re common in the natural world. For instance, a cauliflower stalk looks like a miniature version of the full...

    11/12/2018 - 11:00 Quantum Physics, Condensed Matter
  • News in Brief

    Bizarre metals may help unlock mysteries of how Earth’s magnetic field forms

    Weird materials called Weyl metals might reveal the secrets of how Earth gets its magnetic field.

    The substances could generate a dynamo effect, the process by which a swirling, electrically conductive material creates a magnetic field, a team of scientists reports in the Oct. 26 Physical Review Letters.

    Dynamos are common in the universe, producing the magnetic fields of the Earth...

    11/07/2018 - 06:00 Condensed Matter, Earth
  • News

    A new hydrogen-rich compound may be a record-breaking superconductor

    Superconductors are heating up, and a world record-holder may have just been dethroned.

    Two studies report evidence of superconductivity — the transmission of electricity without resistance — at temperatures higher than seen before. The effect appears in compounds of lanthanum and hydrogen squeezed to extremely high pressures.

    All known superconductors must be chilled to function,...

    09/10/2018 - 07:00 Condensed Matter, Materials, Physics
  • News

    Strange metals are even weirder than scientists thought

    Curiouser and curiouser: Strange metals are getting a little stranger.

    Normal metals such as copper and aluminum are old hat — physicists have a strong grasp on the behavior of the electrons within. But strange metals behave in mysterious ways, and researchers have now uncovered an additional oddity. A type of strange metal called a cuprate behaves unexpectedly when inside a strong...

    08/06/2018 - 06:00 Condensed Matter, Materials, Physics