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Dear esteem reader,
Here is your SHAB TECHNOLOGY PLANET customized technology news for February 23, 2021.
Spotlight Stories Headlines
? TECHNOLOGY NEWS???:
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ARTIFICIAL INTELLIGENCE PREDICTS NONLINEAR ULTRAFAST DYNAMICS IN OPTICS
Researchers at Tampere University have successfully used artificial intelligence to predict nonlinear dynamics that take place when ultrashort light pulses interact with matter. This novel solution can be used for efficient and fast numerical modeling, for example, in imaging, manufacturing and surgery. The findings were published in the prestigious Nature Machine Intelligence journal.
RESEARCHERS DESIGN MORE SECURE MOBILE CONTACT TRACING
For public health officials, contact tracing remains critical to managing the spread of the coronavirus—particularly as it appears that variants of the virus could be more transmissible.
AUSTRALIAN LEADER URGES FACEBOOK TO LIFT ITS NEWS BLOCKADE
Australia’s prime minister on Friday urged Facebook to lift its ban on news access for Australian users and return to the negotiating table with media organizations, warning that other countries would follow his government’s example in making digital giants pay for journalism.
? PHYSICS NEWS⚙♨:
RESEARCHERS OBSERVE STATIONARY HAWKING RADIATION IN AN ANALOG BLACK HOLE
Black holes are regions in space where gravity is very strong—so strong that nothing that enters them can escape, including light. Theoretical predictions suggest that there is a radius surrounding black holes known as the event horizon. Once something passes the event horizon, it can no longer escape a black hole, as gravity becomes stronger as it approaches its center.
CSI SOLID-STATE: THE FINGERPRINTS OF QUANTUM EFFECTS
In solid-state physics, the precise interactions of electrons are analyzed through meticulous detective work, ultimately to gain a better understanding of fundamental physical phenomena.
POTASSIUM NUCLEUS LOSES SOME OF ITS MAGIC
A new study at ISOLDE finds no signature of a “magic” number of neutrons in potassium-51, challenging the proposed magic nature of nuclei with 32 neutrons
? EARTH NEWS?:
HOW TO CALCULATE THE SOCIAL COST OF CARBON? RESEARCHERS OFFER ROADMAP IN NEW ANALYSIS
The Biden administration is revising the social cost of carbon (SCC), a decade-old cost-benefit metric used to inform climate policy by placing a monetary value on the impact of climate change. In a newly published analysis in the journal Nature, a team of researchers lists a series of measures the administration should consider in recalculating the SCC.
ARCTIC AND TROPICAL PACIFIC SYNERGISTIC EFFECTS CAUSE EXTREMELY COLD WINTER IN CHINA
China is just one of many countries in the Northern Hemisphere experiencing an extremely cold winter due in part to both the tropical Pacific and the Arctic, according to an analysis of temperatures from Dec. 1, 2020 to mid-January of 2021.
THE SCIENCE-FICTION SCENARIO OF AN ARTIFICIAL PLANET IS ALREADY HERE
On December 9, 2020, researchers from the Weizmann Institute of Science in Israel published a study in the journal Nature titled “The global mass produced by man exceeds all living biomass”. The article summary sets the scene: “We find that Earth is exactly at the crossover point; in the year 2020 (±6), the anthropogenic mass, which has recently doubled roughly every 20 years, will surpass all global living biomass.”
? ASTRONOMY & SPACE NEWS??:
MARS ROVERS SAFE FROM LIGHTNING STRIKES, RESEARCH FINDS
If experiments done in small bottles in a University of Oregon lab are accurate, the friction of colliding Martian dust particles are unlikely to generate big electrical storms or threaten the newly arrived exploration vehicles or, eventually, human visitors.
ASTRONOMERS PUBLISH MAP SHOWING 25,000 SUPERMASSIVE BLACK HOLES
An international team of astronomers has published a map of the sky showing over 25,000 supermassive black holes. The map, to be published in the journal Astronomy & Astrophysics, is the most detailed celestial map in the field of so-called low radio frequencies. The astronomers, including Leiden astronomers, used 52 stations with LOFAR antennas spread across nine European countries.
SOUNDING ROCKET CLASP2 ELUCIDATES SOLAR MAGNETIC FIELD
Cooperative operations between a solar observation satellite and a sounding-rocket telescope have measured the magnetic field strength in the photosphere and chromosphere above an active solar plage region. This is the first time that the magnetic field in the chromosphere has been charted all the way up its top. This finding brings us closer to understanding how energy is transferred between layers of the Sun.
? NANOTECHNOLOGY NEWS⛄☃:
BACTERIAL MAGNETIC NANOPARTICLES FOR BIOMEDICAL APPLICATIONS
Magnetic nanoparticles biosynthesized by bacteria might soon play an important role in biomedicine and biotechnology. Researchers of the University of Bayreuth have now developed and optimized a process for the isolation and purification of these particles from bacterial cells. In initial tests, magnetosomes showed good biocompatibility when incubated with human cell lines. The results, presented in the journal Acta Biomaterialia, are therefore a promising step toward the biomedical use of magnetosomes in diagnostic imaging techniques or as carrier in magnetic drug delivery applications.
ADVENT OF THE 3-D DIAMOND VALLEYTRONIC TRANSISTOR
Researchers at Uppsala university, Sweden, and Element Six, U.K., have, for the first time ever, demonstrated electrical control of valley transport in 3-D dual-gate diamond field-eﬀect transistors. These results were published in Nano Letters.
DYNAMICS OF NANOPARTICLES USING A NEW ISOLATED LYMPHATIC VESSEL LUMEN PERFUSION SYSTEM
Nanoparticles used in drug delivery systems, bioimaging, and regenerative medicine migrate from tissues to lymphatic vessels after entering the body, so it is necessary to clarify the interaction between nanoparticles and lymphatic vessels. Although technology to observe the flow of nanoparticles through lymphatic vessels in vivo has been developed, there has been no method to evaluate the flow of nanoparticles in a more detailed and quantitative manner ex vivo. Thus, research was conducted to develop an ex vivo lymphatic vessel lumen perfusion system to determine how nanoparticles move in lymphatic vessels and how they affect the physiological movement of lymphatic vessels.
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