Dear esteem reader,
Here is your SHAB TECHNOLOGY PLANET customized technology news for March 16, 2021.
Spotlight Stories Headlines
🗞 TECHNOLOGY NEWS💻🔧🖥:
A SHORT REVIEW FROM THE ONGOING S.T.P 3DS 2021 V.6.0.
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RESEARCHERS CREATE A NEW TRANSISTOR BASED ON METAL NANOPARTICLES AND IONIC GRADIENTS
Transistors, devices that can amplify, conduct or switch electronic signals or electric current, are key components of many electronics on the market today. These devices can be fabricated using a variety of inorganic and organic semiconducting materials.
EXPERTS RECREATE A MECHANICAL COSMOS FOR THE WORLD’S FIRST COMPUTER
Researchers at UCL have solved a major piece of the puzzle that makes up the ancient Greek astronomical calculator known as the Antikythera Mechanism, a hand-powered mechanical device that was used to predict astronomical events.
NEW RANSOMWARE STRAIN EXPLOITS MICROSOFT EXCHANGE SECURITY FLAW
A new strain of ransomware has emerged which exploits a security flaw in Microsoft Exchange servers, signaling potentially damaging consequences from a high-profile hack.
🗞 PHYSICS NEWS⚙♨:
A PROTOCOL TO EXPLORE ENTANGLEMENT DYNAMICS VIA SPACETIME DUALITY
In recent years, there have been significant advancements in the development of digital quantum computers and simulators. These emerging physical systems are opening up unprecedented possibilities for controlling and measuring a variety of quantum dynamics. As a result, some fundamental questions in many-body physics that would have previously been considered speculative and outside the realm of experimental exploration can now be examined in laboratory settings.
CONTROLLED BY LIGHT ALONE, NEW SMART MATERIALS TWIST, BEND AND MOVE
Researchers at Tufts University School of Engineering have created light-activated composite devices able to execute precise, visible movements and form complex three-dimensional shapes without the need for wires or other actuating materials or energy sources. The design combines programmable photonic crystals with an elastomeric composite that can be engineered at the macro and nano scale to respond to illumination.
NEW PEROVSKITE LED EMITS A CIRCULARLY POLARIZED GLOW
Light-emitting diodes (LEDs) have revolutionized the displays industry. LEDs use electric current to produce visible light without the excess heat found in traditional light bulbs, a glow called electroluminescence. This breakthrough led to the eye-popping, high-definition viewing experience we’ve come to expect from our screens. Now, a group of physicists and chemists have developed a new type of LED that utilizes spintronics without needing a magnetic field, magnetic materials or cryogenic temperatures; a ‘quantum leap’ that could take displays to the next level.
🗞 EARTH NEWS🌏:
TRACES OF EARTH’S EARLY MAGMA OCEAN IDENTIFIED IN GREENLAND ROCKS
New research led by the University of Cambridge has found rare evidence—preserved in the chemistry of ancient rocks from Greenland—which tells of a time when Earth was almost entirely molten.
HOW INDIA’S RICE PRODUCTION CAN ADAPT TO CLIMATE CHANGE CHALLENGES
As the global population grows, the demand for food increases while arable land shrinks. A new University of Illinois study investigates how rice production in India can meet future needs by adapting to changing climate conditions and water availability.
HEALTH RISK? MORE THAN 500,000 AMERICANS LIVE WITHIN 3 MILES OF NATURAL GAS FLARES
More than a half-million Americans are exposed to oil and gas “flaring” events—the burning off of excess natural gas at production sites—resulting in potentially serious health risks, according to new research from USC and UCLA.
🗞 ASTRONOMY & SPACE NEWS🌪🎇:
ASTRONOMERS DETECT A BLACK HOLE ON THE MOVE
Scientists have long theorized that supermassive black holes can wander through space—but catching them in the act has proven difficult.
LARGE ASTEROID TO PASS BY EARTH ON MARCH 21: NASA
The largest asteroid to pass by Earth this year will approach within some 1.25 million miles (two million kilometers) of our planet on March 21, NASA said Thursday.
RESEARCHERS EXPLORE MASS SEGREGATION OF GALAXY GLOBULAR CLUSTERS
Globular clusters are old and dense star systems in the Galaxy halo and bulge. Their average age is almost equal to the age of our universe.
🗞 NANOTECHNOLOGY NEWS⛄☃:
HIERARCHICAL MECHANICAL METAMATERIALS OFFER MULTIPLE STABLE CONFIGURATIONS
Multistable mechanical metamaterials are artificial materials whose microarchitecture offers more than two different stable configurations. Existing mechanical metamaterials rely on origami or kirigami-based designs with snap-through instability and microstructured soft mechanisms. Scalable structures that can be built from mechanical metamaterials with an extremely large number of programmable stable configurations remain elusive. In a new report now published on Science Advances, Hang Zhang and a research team in engineering, electronics, and advanced structure technology in Beijing China, used the elastic tensile/compressive asymmetry of kirigami microstructures to design a class of X-shaped tristable structures. The team used these constructs as building block elements to build hierarchical mechanical metamaterials with one-dimensional cylindrical geometries, 2D square lattices and 3D cubic or octahedral lattices with multidirectional multistability. The number of stable states increased with the cell number of mechanical metamaterials incorporated in the work, and the versatile multistability and structural diversity demonstrated applications within mechanical ternary logic operators with unusual functionalities.
NANO-GATE: RESEARCHERS CREATE VOLTAGE-CONTROLLED NANOPORES THAT CAN TRAP PARTICLES AS THEY TRY TO PASS THROUGH
Scientists from the Institute of Scientific and Industrial Research at Osaka University fabricated nanopores in silicon dioxide, that were only 300 nm, in diameter surrounded by electrodes. These nanopores could prevent particles from entering just by applying a voltage, which may permit the development of sensors that can detect very small concentrations of target molecules, as well as next-generation DNA sequencing technology.
Source:Technology News Channels
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