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    Physics

    Many neurodegenerative diseases spread by hijacking the brain's connective circuitry to transport toxic proteins, which gradually accumulate and trigger symptoms of dementias. Now, researchers at Stevens Institute of Technology and colleagues have modeled how these toxic proteins spread throughout the brain to reproduce the telltale patterns of atrophy associated with Alzheimer's disease, Parkinson's disease, and amyotrophic lateral sclerosis, or ALS. [...]
    Fri, Oct 12, 2018
    Source: Physorg Physics Category: PHYSICS
    Researchers from NC State University have determined the probability of finding a gluon inside the pion. The Abstract sat down with graduate student and lead author Patrick Barry and his research advisor Chueng Ji, professor of physics at NC State, to talk about what this finding means for our understanding of how the universe works. [...]
    Fri, Oct 12, 2018
    Source: Physorg Physics Category: PHYSICS
    Russian physicists from MIPT teamed up with foreign colleagues for a groundbreaking experimental study of a material that possesses both superconducting and ferromagnetic properties. In their paper published in Science Advances, the researchers also propose an analytical solution describing the unique phase transitions in such ferromagnetic superconductors. [...]
    Fri, Oct 12, 2018
    Source: Physorg Physics Category: PHYSICS
    For the first time, scientists have developed a computer simulation of how clumps of defective proteins in neurodegenerative diseases like Alzheimer's spread through the brain, much of the time in stealth mode, over as long as 30 years. [...]
    Fri, Oct 12, 2018
    Source: Physorg Physics Category: PHYSICS
    For the first time, physicists have built a unique topological insulator in which optical and electronic excitations hybridize and flow together. They report their discovery in Nature. [...]
    Fri, Oct 12, 2018
    Source: Physorg Physics Category: PHYSICS
    A team of theorists from Lawrence Livermore National Laboratory (LLNL) has solved a long-standing puzzle in the nucleation of a high-pressure phase of ice known as ice VII, which is believed to exist near the core of "ocean world" planets recently detected outside of the solar system, and has recently been discovered to exist within the Earth's mantle. The findings are described in a paper published today by Physical Review Letters. [...]
    Fri, Oct 12, 2018
    Source: Physorg Physics Category: PHYSICS
    What happens when a new technology is so precise that it operates on a scale beyond our characterization capabilities? For example, the lasers used at INRS produce ultrashort pulses in the femtosecond range (10-15 s), which is far too short to visualize. Although some measurements are possible, nothing beats a clear image, says INRS professor and ultrafast imaging specialist Jinyang Liang. He and his colleagues, led by Caltech's Lihong Wang, have developed what they call T-CUP: the world's fastest camera, capable of capturing 10 trillion (1013) frames per second (Fig. 1). This new camera literally makes it possible to freeze time to see phenomena—and even light—in extremely slow motion. [...]
    Fri, Oct 12, 2018
    Source: Physorg Physics Category: PHYSICS
    Antennas have come a long way from the rabbit ears on your old TV. But the antenna that Northeastern doctoral student Hwaider Lin has been working on since 2015 is about 100 times smaller than the one currently in your smartphone. [...]
    Thu, Oct 11, 2018
    Source: Physorg Physics Category: PHYSICS
    Imagine trying to make sense of the cacophony of a speaker playing four songs at once, and you have some idea of the challenge faced by Jenny Schloss and Matt Turner. [...]
    Thu, Oct 11, 2018
    Source: Physorg Physics Category: PHYSICS
    Science is poised to take a "quantum leap" as more mysteries of how atoms behave and interact with each other are unlocked. [...]
    Thu, Oct 11, 2018
    Source: Physorg Physics Category: PHYSICS
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