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    Two Neutron Stars Collided Near the Solar System billions of years ago

    May 9, 2019, Categories  Astronomy/Space

    Astrophysicists Szabolcs Márka at Columbia University and Imre Bartos (GSAS’12) at the University of Florida have identified a violent collision of two neutron stars 4.6 billion years ago as the likely source of some of the most coveted matter on Earth.

    Astrophysicists have found signs of a cosmic event that created elements that sent gold and silver to Earth. Astrophysicists Szabolcs Márka at Columbia University and Imre Bartos (GSAS’12) at the University of Florida have identified a violent collision of two neutron stars 4.6 billion years ago as the likely source of some of the most coveted matter on Earth.

    This single cosmic event, close to our solar system, gave birth to 0.3% of the Earth’s heaviest elements, including gold, platinum and uranium...

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    Pigment-producing Stem cells can Regenerate vital part of Nervous system

    May 8, 2019, Categories  Biology/Biotechnology, Health/Medical

    “This research holds promise for treating serious neurodegenerative diseases that impact millions of people each year. Our researchers at the University of Maryland School of Medicine have discovered what could be a critical and non-invasive way to use stem cells as a therapy for these diseases,” said UMSOM Dean, E. Albert Reece, MD, PhD, MBA, Executive Vice President for Medical Affairs, UM Baltimore, and the John Z. and Akiko K. Bowers Distinguished Professor.

    Researchers discover certain skin-related stem cells could help in treating neurogenerative diseases. Neurodegenerative diseases like multiple sclerosis (MS) affect millions of people worldwide and occur when parts of the nervous system lose function over time...

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    Experimental device generates Electricity from the Coldness of the Universe

    May 7, 2019, Categories  Physics, Technology/Electronics

    A drawback of solar panels is that they require sunlight to generate electricity. Some have observed that for a device on Earth facing space, the chilling outflow of energy from the device can be harvested using the same kind of optoelectronic physics we have used to harness solar energy. New work, in Applied Physics Letters, looks to provide a potential path to generating electricity like solar cells but that can power electronics at night. This is a schematic of the experimental infrared photodiode that has generated electricity directly from the coldness of space.
    Credit: Masashi Ono

    The obvious drawback of solar panels is that they require sunlight to generate electricity...

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    Telescopes in Space for even Sharper Images of Black Holes

    May 7, 2019, Categories  Astronomy/Space

    In space, the EHI has a resolution more than five times that of the EHT on Earth, and images can be reconstructed with higher fidelity. Top left: Model of Sagittarius A* at an observation frequency of 230 GHz. Top left: Simulation of an image of this model with the EHT. Bottom left: Model of Sagittarius A* at an observation frequency of 690 GHz. Bottom right: Simulation of an image of this model with the EHI.
    Credit: F. Roelofs and M. Moscibrodzka, Radboud University

    Astronomers propose placing two or three satellites in circular orbit around the Earth to observe black holes. Astronomers have just managed to take the first image of a black hole, and now the next challenge facing them is how to take even sharper images, so that Einstein’s Theory of General Relativity can be tested...

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