Minnesota State University Moorhead Physics and Astronomy:
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Physics News Feeds for Wednesday August 21, 2019

Astronomy Picture of the Day: Animation: Spiral Disk around a Black Hole
August 20, 2019

Animation: Spiral Disk around a Black Hole What would it look like to orbit a black hole? Many black holes are surrounded by swirling pools of gas known as accretion disks. These disks can be extremely hot, and much of the orbiting gas...

Scientific American Physics Feed (Top 5 items)

  1. Astronomers Spy a Black Hole Devouring a Neutron Star (Mon Aug 19 1:00 pm)
    If confirmed, the detection could be the first of its kind and would open new vistas on Einstein’s general theory of relativity and the physics of extreme matter -- Read more on ScientificAmerican.com
  2. Racing toward Absolute Zero (Fri Aug 16 6:00 am)
    A lab at the University of Cambridge is looking for materials that have weird quantum properties at the coldest temperatures possible -- Read more on ScientificAmerican.com
  3. Bridging a Binary Universe (Thu Aug 15 6:00 am)
    Modern physicists continue to enshrine the split between the heavens and the earth perceived by our ancestors -- Read more on ScientificAmerican.com
  4. Catastrophe by Mail (Fri Aug 9 11:00 am)
    A gift led me to think about an old geologic controversy -- Read more on ScientificAmerican.com
  5. Earth's Magnetic Field Reversal Took Three Times Longer Than Thought (Wed Aug 7 1:00 pm)
    A new study suggests the last field reversal 773,000 years ago took 22,000 years to occur, which could explain some of the inner workings of our planet’s core -- 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. To make lakes healthy, you first need the right recipe (Mon Aug 19 11:00 pm)
    (Netherlands Institute of Ecology (NIOO-KNAW)) Pollution of lakes is a worldwide problem. Restoration attempts take a lot of time and effort, and even then they might backfire. A team of researchers led by the Netherlands Institute of Ecology...
  2. Laser printing technology: Creating the perfect bioprinter (Mon Aug 19 11:00 pm)
    (Sechenov University) Scientists from Russia, China, and the US have drawn the attention of the scientific community to one of the newest and most promising areas in bioprinting -- laser-induced forward transfer (LIFT). They have compared laser...
  3. Shape-shifting sheets (Mon Aug 19 11:00 pm)
    (Harvard John A. Paulson School of Engineering and Applied Sciences) Researchers from the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have developed a mathematical framework that can turn any sheet of material...
  4. NYU Tandon startup paves the way for pesticide-free cannabis, wine grapes, and other high-value crops (Mon Aug 19 11:00 pm)
    (NYU Tandon School of Engineering) Brooklyn Bioscience, a startup commercializing university research to detoxify a dangerous class of pesticides, recently received funding from the National Science Foundation. Their engineered proteins will...
  5. New rechargeable CCNY aqueous battery challenges Lithium-ion dominance (Mon Aug 19 11:00 pm)
    (City College of New York) A new rechargeable high voltage manganese dioxide zinc battery, exceeding the 2 V barrier in aqueous zinc chemistry, is the latest invention by City College of New York researchers. With a voltage of 2.45-2.8V, the...

EurekaAlert Space & Planetary Science News (Top 5 items)

  1. Study reveals profound patterns in globally important algae (Mon Aug 19 11:00 pm)
    (Bigelow Laboratory for Ocean Sciences) A globally important ocean algae is mysteriously scarce in one of the most productive regions of the Atlantic Ocean, according to a new paper. A massive dataset has revealed patterns in the regions where...
  2. Enabling longer space missions (Mon Aug 19 11:00 pm)
    (Springer) The Hall thruster is a propulsion system that is often used by spacecraft enaged in longer missions. A recent study by Andrey Shashkov and co-workers at the Moscow Institute of Physics and Technology, Russia has shown how the operating...
  3. Stardust in the Antarctic snow (Mon Aug 19 11:00 pm)
    (Technical University of Munich (TUM)) The rare isotope iron-60 is created in massive stellar explosions. Only a very small amount of this isotope reaches the earth from distant stars. Now, a research team with significant involvement from...
  4. Scientists unpick the history of Western France, written in 300-million-year-old rainwater (Mon Aug 19 11:00 pm)
    (Goldschmidt Conference) For the first time scientists have been able to reconstruct the chemical composition of rainwater from 300-million-year-old minerals, allowing them to unpick some of the history of Brittany and Western France since...
  5. Weather on ancient Mars: Warm with occasional rain, turning cold (Sun Aug 18 11:00 pm)
    (Goldschmidt Conference) A new study of conditions on Mars indicates that the climate 3 to 4 billion years ago was warm enough to provoke substantial rainstorms and flowing water, followed by a longer cold period where the water froze. This...

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