Minnesota State University Moorhead Physics and Astronomy:
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Physics News Feeds for Saturday February 22, 2020

Astronomy Picture of the Day: LDN 1622: Dark Nebula in Orion
February 21, 2020

LDN 1622: Dark Nebula in Orion The silhouette of an intriguing dark nebula inhabits this cosmic scene. Lynds' Dark Nebula (LDN) 1622 appears against a faint background of glowing hydrogen gas only visible in long telescopic exposures of...

Scientific American Physics Feed (Top 5 items)

  1. Scientists Sculpt Nanoparticle Shells with Light (Fri Feb 21 5:45 am)
    Hollowed-out microcrystals could lock away carbon  -- Read more on ScientificAmerican.com
  2. Physicists Come Closer to Answering Question of Antimatter's Scarcity (Wed Feb 19 10:00 am)
    Researchers have confirmed a long-predicted key similarity between hydrogen and antihydrogen -- Read more on ScientificAmerican.com
  3. Found in Space: 100 Energetic Photons (Tue Feb 18 11:15 am)
    Originally published in May 1962 -- Read more on ScientificAmerican.com
  4. The Supercool Materials That Send Heat to Space (Mon Feb 17 8:00 am)
    Paints, plastics and even wood can be engineered to stay cool in direct sunlight—but their role in displacing power-hungry air conditioners remains unclear -- Read more on ScientificAmerican.com
  5. Espresso May Be Better when Ground Coarser (Thu Feb 13 8:00 pm)
    A very fine grind can actually hamper espresso brewing, because particles may clump more than larger particles will. -- 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. Scientists receive CPRIT grants for lung, kidney cancer research (Thu Feb 20 11:00 pm)
  2. Where is the greatest risk to our mineral resource supplies? (Thu Feb 20 11:00 pm)
    (US Geological Survey) Risk tool identified 23 mineral commodities whose supply poses the greatest risk, including those used in consumer electronics, renewable energy, aerospace, and defense applications.
  3. Study detects abnormally low levels of a key protein in brains of young men with autism (Thu Feb 20 11:00 pm)
    (Massachusetts General Hospital) Brains of young men with autism spectrum disorder (ASD) have low levels of a protein that appears to play a role in inflammation and metabolism.
  4. New probe developed to detect a common target of anti-inflammatory drugs (Thu Feb 20 11:00 pm)
    (Beckman Institute for Advanced Science and Technology) Researchers at the Beckman Institute for Advanced Science and Technology have recently developed a new probe to detect the activity of Cyclooxygenase-2, an enzyme that plays a major role...
  5. Antibiotics in animals: More research urgently needed (Thu Feb 20 11:00 pm)
    (Cambridge University Press) Resistance to antibiotics has been declared a global health emergency -- and it's not just humans who are impacted by this public health crisis. Antibiotics used in food-producing animals contribute to the development...

EurekaAlert Space & Planetary Science News (Top 5 items)

  1. NASA measures rainfall rates in two American Samoa Tropical Cyclones (Thu Feb 20 11:00 pm)
    (NASA/Goddard Space Flight Center) There are two tropical cyclones affecting American Samoa in the South Pacific Ocean on Feb. 21. Tropical Storm Vicky has triggered warnings, while Tropical Cyclone 18P continues to develop. The Global Precipitation...
  2. NASA sees tropical cyclone 18p form near American Samoa (Thu Feb 20 11:00 pm)
    (NASA/Goddard Space Flight Center) The low-pressure area that has been lingering west-northwest of American Samoa for several days has organized into a tropical depression. NASA's Terra satellite passed over the Southern Pacific Ocean and provided...
  3. Beyond the brim, Sombrero Galaxy's halo suggests turbulent past (Wed Feb 19 11:00 pm)
    (NASA/Goddard Space Flight Center) These latest Hubble observations of the Sombrero galaxy indicate only a tiny fraction of older, metal-poor stars in the halo, plus an unexpected abundance of metal-rich stars. Past major galaxy mergers are...
  4. How newborn stars prepare for the birth of planets (Wed Feb 19 11:00 pm)
    (National Radio Astronomy Observatory) An international team of astronomers used two of the most powerful radio telescopes in the world to create more than three hundred images of planet-forming disks around very young stars in the Orion Clouds....
  5. Sub-Neptune sized planet validated with the habitable-zone planet finder (Wed Feb 19 11:00 pm)
    (Penn State) A signal originally detected by the Kepler spacecraft has been validated as an exoplanet using the Habitable-zone Planet Finder.

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