Minnesota State University Moorhead Physics and Astronomy:
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Physics News Feeds for Thursday February 25, 2021

Astronomy Picture of the Day: A Venus Flyby
February 25, 2021

A Venus Flyby On a mission to explore the inner heliosphere and solar corona, on July 11, 2020 the Wide-field Imager on board NASA's Parker Solar Probe captured this stunning view of the nightside of Venus at distance of about 12,400 kilometers...

Scientific American Physics Feed (Top 5 items)

  1. Mystery of Spinning Atomic Fragments Solved at Last (Wed Feb 24 10:30 am)
    New experiments have answered the decades-old question of how pieces of splitting nuclei get their spins -- Read more on ScientificAmerican.com
  2. New Supernova Alert System Promises Early Access to Spectacles in Space (Mon Feb 22 5:45 am)
    Upgrades to the SuperNova Early Warning System (SNEWS) detection system offer advance notice of impending blasts -- Read more on ScientificAmerican.com
  3. Snowflake Structure Still Mystifies Physicists (Thu Feb 11 12:00 pm)
    Flakes’ final shape depends on an array of temperature, humidity and wind speed variables -- Read more on ScientificAmerican.com
  4. A Heroic Effort to Measure Helium (Fri Feb 5 7:00 am)
    After an intense game of cat and mouse with different particles, atomic physicists have measured the radius of the helium nucleus five times more precisely than before. Christopher Intagliata reports. -- Read more on ScientificAmerican.com ...
  5. Galaxy-Size Gravitational-Wave Detector Hints at Exotic Physics (Wed Feb 3 11:00 am)
    Recent results from a pulsar timing array, which uses dead stars to hunt for gravitational waves, has scientists speculating about cosmic strings and primordial black holes -- 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 use Doppler to peer inside cells (Wed Feb 24 11:00 pm)
    (Purdue University) Doppler radar improves lives by peeking inside air masses to predict the weather. A Purdue University team is using similar technology to look inside living cells, introducing a method to detect pathogens and treat infections...
  2. Signal transduction without signal -- receptor clusters can direct cell movement (Wed Feb 24 11:00 pm)
    (Goethe University Frankfurt) Whether we smell, taste or see, or when adrenaline rushes through our veins, all of these signals are received by our cells via a specific group of receptor proteins called G protein-coupled receptors, which transmit...
  3. Social dilemma follows 2018 eruption of Kilauea volcano (Wed Feb 24 11:00 pm)
    (University of Hawaii at Manoa) The unprecedented cost of the 2018 Kilauea eruption in Hawai'i reflects the intersection of distinct physical and social phenomena: infrequent, highly destructive eruptions, and atypically high population growth,...
  4. First complete coronavirus model shows cooperation (Wed Feb 24 11:00 pm)
    (University of Texas at Austin, Texas Advanced Computing Center) Multiscale coarse-grained model of complete SARS-CoV-2 virion developed for first time using supercomputers. Cooperative motion of coronavirus spike protein simulations likely...
  5. Nuclear physicists on the hunt for squeezed protons (Wed Feb 24 11:00 pm)
    (DOE/Thomas Jefferson National Accelerator Facility) While protons populate the nucleus of every atom in the universe, sometimes they can be squeezed into a smaller size and slip out of the nucleus for a romp on their own. Observing these squeezed...

EurekaAlert Space & Planetary Science News (Top 5 items)

  1. Imaging space debris in high resolution (Wed Feb 24 11:00 pm)
    (Society for Industrial and Applied Mathematics) Researchers have introduced a new method for taking high-resolution images of fast-moving and rotating objects in space, such as satellites or debris in low Earth orbit. They created an imaging...
  2. Comet makes a pit stop near Jupiter's asteroids (Wed Feb 24 11:00 pm)
    (NASA/Goddard Space Flight Center) After traveling several billion miles toward the Sun, a wayward young comet-like object orbiting among the giant planets has found a temporary parking place along the way. The object has settled near a family...
  3. 30 teachers selected as Airborne Astronomy Ambassadors to bring NASA science to classrooms (Wed Feb 24 11:00 pm)
    (SETI Institute) The SETI Institute has selected 30 teachers from 10 states as 2021 NASA Airborne Astronomy Ambassadors (AAAs). AAA is a professional development program for science teachers designed to improve science teaching and increase...
  4. An international team discovers the "heaviest black hole collision" might be a boson star merger (Wed Feb 24 11:00 pm)
    (The Chinese University of Hong Kong) An international team of scientists led by the Galician Institute of High Energy Physics and the University of Aveiro, including an undergraduate from the Department of Physics at The Chinese University...
  5. Parker Solar Probe offers stunning view of Venus (Tue Feb 23 11:00 pm)
    (NASA/Goddard Space Flight Center) NASA's Parker Solar Probe captured stunning views of Venus during its close flyby of the planet in July 2020.

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