Minnesota State University Moorhead Physics and Astronomy:
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Physics News Feeds for Sunday December 15, 2019

Astronomy Picture of the Day: Mammatus Clouds over Nebraska
December 15, 2019

Mammatus Clouds over Nebraska When do cloud bottoms appear like bubbles? Normally, cloud bottoms are flat. This is because moist warm air that rises and cools will condense into water droplets at a specific temperature, which usually...

Scientific American Physics Feed (Top 5 items)

  1. Not All Hydropower Is Climate Considerate (Fri Dec 13 9:17 pm)
    While some hydropower facilities release almost no greenhouse gases, others can actually be worse than burning fossil fuels. -- Read more on ScientificAmerican.com
  2. Greenland Rocks Suggest Earth's Magnetic Field Is Older Than We Thought (Thu Dec 12 9:00 am)
    Analysis finds that the planet’s protective shield was in place by at least 3.7 billion years ago, as early life arose -- Read more on ScientificAmerican.com
  3. Space Heater: Scientists Find New Way to Transfer Energy Through a Vacuum (Wed Dec 11 12:00 pm)
    Nanoscale experiments reveal that quantum effects can transmit heat between objects separated by empty space -- Read more on ScientificAmerican.com
  4. Space Station Dark Matter Experiment Gets Vital Repairs (Wed Dec 11 5:45 am)
    Astronauts are giving the International Space Station’s premier science experiment a life-extending transplant to continue its hunt for antimatter, dark matter, and more -- Read more on ScientificAmerican.com
  5. When the Bellbird Calls, You Know It (Mon Dec 9 8:33 pm)
    The white bellbird of the Amazon may be the loudest bird in the world.   -- Read more on ScientificAmerican.com

PhysicsWorld Headline News (Top 5 items)

  1. Physicists beat Lorentz reciprocity for microwave transmission (Thu Feb 22 8:27 am)
    New device could boost telecommunications and be adapted for photonics
  2. Japan's SuperKEKB set for first particle collisions (Wed Feb 21 8:45 am)
    Revamped accelerator will soon be smashing electrons and positrons together
  3. Wood-based 'supermaterial' is stronger and tougher than steel (Wed Feb 21 8:10 am)
    New material is made by compressing treated wood
  4. Three photons bind together to make a ?molecule? of light (Tue Feb 20 10:06 am)
    Technique could be used to create quantum-information systems
  5. Nuclear excitation by electron capture seen at long last (Tue Feb 20 7:55 am)
    Breakthrough could lead to new type of energy source

EurekaAlert Chemistry, Physics, and Materials Sciences News (Top 5 items)

  1. Following the lizard lung labyrinth (Thu Dec 12 11:00 pm)
    (University of Utah) Birds and mammals are on extreme ends of the airflow spectrum. Mammals inhale oxygen-rich air and they exhale depleted air, exhibiting a so-called tidal flow pattern. In contrast, bird breath travels tidally through part...
  2. How a protein in your brain could protect against Alzheimer's disease (Thu Dec 12 11:00 pm)
    (University of Alberta) Research shows that white blood cells in the human brain are regulated by a protein called CD33--a finding with important implications in the fight against Alzheimer's disease, according to a new study by University...
  3. City College leads new photonics breakthrough (Thu Dec 12 11:00 pm)
    (City College of New York) A new approach to trapping light in artificial photonic materials by a City College of New York-led team could lead to a tremendous boost in the transfer speed of data online.
  4. Colliding molecules and antiparticles (Thu Dec 12 11:00 pm)
    (Springer) A study by Marcos Barp and Felipe Arretche from Brazil published in EPJ D shows a model of the interaction between positrons and simple molecules that is in good agreement with experimental results.
  5. Better studying superconductivity in single-layer graphene (Thu Dec 12 11:00 pm)
    (Springer) A new study published in EPJ B demonstrates that an existing technique is better suited for probing superconductivity in pure, single-layer graphene than previously thought. The insight could allow physicists to understand more about...

EurekaAlert Space & Planetary Science News (Top 5 items)

  1. NYU Abu Dhabi researcher discovers exoplanets can be made less habitable by stars' flares (Sat Dec 14 11:00 pm)
    (New York University) In this new study, NYUAD Center for Space Science Research Scientist Dimitra Atri found that not all exoplanets in habitable zones will be able to maintain hospitable conditions for life. Exoplanets in close proximity...
  2. Finding a killer electron hot spot in Earth's Van Allen radiation belts (Thu Dec 12 11:00 pm)
    (Nagoya University) JAXA and NASA satellite observations show where killer electrons are generated in the Van Allen radiation belts surrounding Earth.
  3. Hubble watches interstellar comet Borisov speed past the sun (Wed Dec 11 11:00 pm)
    (ESA/Hubble Information Centre) The NASA/ESA Hubble Space Telescope has once again captured comet 2I/Borisov streaking through our solar system on its way back into interstellar space. At a breathtaking speed of over 175 000 kilometres per...
  4. A galactic dance (Wed Dec 11 11:00 pm)
    (Association of Universities for Research in Astronomy (AURA)) Galaxies lead a graceful existence on cosmic timescales. Over millions of years, they can engage in elaborate dances that produce some of Nature's most exquisite and striking grand...
  5. NASA's MAVEN maps winds in the martian upper atmosphere (Wed Dec 11 11:00 pm)
    (NASA/Goddard Space Flight Center) Researchers have created the first map of wind circulation in the upper atmosphere of a planet besides Earth.

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