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Here is your SHAB TECHNOLOGY PLANET customized technology news for January 14, 2021.
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🗞 TECHNOLOGY NEWS💻🔧🖥:
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THE DEMONSTRATION OF EXCHANGE BIAS SWITCHING IN ANTIFERROMAGNET/FERROMAGNET STRUCTURE
The identification of effective methods to manipulate both magnetization and exchange bias in thin antiferromagnet/ferromagnet films could facilitate the development of new types of spintronic devices. Magnetization switching could be achieved by inducing a phenomenon called spin-orbit torque (SOT) in a heavy metal layer adjacent to these films. However, so far, this design strategy has proved difficult to combine with both exchange bias switching and tunneling magnetoresistance measurements.
TEAM CREATES HYBRID CHIPS WITH PROCESSORS AND MEMORY TO RUN AI ON BATTERY-POWERED DEVICES
Smartwatches and other battery-powered electronics would be even smarter if they could run AI algorithms. But efforts to build AI-capable chips for mobile devices have so far hit a wall—the so-called “memory wall” that separates data processing and memory chips that must work together to meet the massive and continually growing computational demands imposed by AI.
ROBOT DISPLAYS A GLIMMER OF EMPATHY TO A PARTNER ROBOT
Like a longtime couple who can predict each other’s every move, a Columbia Engineering robot has learned to predict its partner robot’s future actions and goals based on just a few initial video frames.
🗞 PHYSICS NEWS⚙♨:
TRANSITION METAL ‘COCKTAIL’ HELPS MAKE BRAND NEW SUPERCONDUCTORS
Researchers from Tokyo Metropolitan University mixed and designed a new, high-entropy alloy (HEA) superconductor, using extensive data on simple superconducting substances with a specific crystal structure. HEAs are known to preserve superconducting characteristics up to extremely high pressures. The new superconductor, Co0.2Ni0.1Cu0.1Rh0.3Ir0.3Zr2, has a superconducting transition at 8K, a relatively high temperature for an HEA. The team’s approach may be applied to discovering new superconducting materials with specific desirable properties.
A CHARGE-DENSITY-WAVE TOPOLOGICAL SEMIMETAL
Topological materials are characterized by unique electronic and physical properties that are determined by the underlying topology of their electronic systems. Scientists from the Max Planck Institutes for Microstructure Physics (Halle) and for Chemical Physics of Solids (Dresden) have now discovered that (TaSe4)2I is the first material in which a charge density wave induces a phase transition between the semimetal to insulator state.
RESEARCHERS ACQUIRE 3-D IMAGES WITH LED ROOM LIGHTING AND A SMARTPHONE
As LEDs replace traditional lighting systems, they bring more smart capabilities to everyday lighting. While you might use your smartphone to dim LED lighting at home, researchers have taken this further by tapping into dynamically controlled LEDs to create a simple illumination system for 3-D imaging.
🗞 EARTH NEWS🌏:
UNDERSTANDING ORIGINS OF ARIZONA’S SUNSET CRATER ERUPTION OF 1,000 YEARS AGO
Around 1085 AD, along the southern rim of Northern Arizona’s elevated Colorado Plateau, a volcano erupted, forever changing ancient Puebloan fortunes and all nearby life. Among the 600 or so volcanoes that dot the landscape of the San Francisco volcanic fields, this one blew. It was the very first (and last) eruption for what came to be known as Sunset Crater, aptly named for its multi-hued, 1,000-foot-tall cinder cone.
CLIMATE CHANGE HAS CAUSED BILLIONS OF DOLLARS IN FLOOD DAMAGES
In a new study, Stanford researchers report that intensifying precipitation contributed one-third of the financial costs of flooding in the United States over the past three decades, totaling almost $75 billion of the estimated $199 billion in flood damages from 1988 to 2017.
NEW CLIMATE CHANGE STUDY: NUMBER OF PEOPLE SUFFERING EXTREME DROUGHTS WILL DOUBLE
Michigan State University is leading a global research effort to offer the first worldwide view of how climate change could affect water availability and drought severity in the decades to come.
🗞 ASTRONOMY & SPACE NEWS🌪🎇:
EIGHT BINARY MILLISECOND PULSARS EXAMINED BY RESEARCHERS
Using the Arecibo 305-m radio telescope, an international team of astronomers has investigated eight binary millisecond pulsars (MSPs). Results of this study, presented in a paper published December 30 on the arXiv pre-print server, provide important information about the properties of these sources.
GALAXY MERGERS COULD LIMIT STAR FORMATION
Astronomers have looked nine billion years into the past to find evidence that galaxy mergers in the early universe could shut down star formation and affect galaxy growth.
‘GALAXY-SIZED’ OBSERVATORY SEES POTENTIAL HINTS OF GRAVITATIONAL WAVES
Scientists have used a “galaxy-sized” space observatory to find possible hints of a unique signal from gravitational waves, or the powerful ripples that course through the universe and warp the fabric of space and time itself.
🗞 NANOTECHNOLOGY NEWS⛄☃:
SELF‐FOLDING 3-D PHOTOSENSITIVE GRAPHENE ARCHITECTURES
Stimuli-responsive, self-folding, two-dimensional (2-D) layered materials have interesting functions for flexible electronics, wearables, biosensors, and photonics applications. However, limits with scalability and a lack of design tools can prevent high integration and their reliable function. In a new report now published on Advanced Intelligent Systems, Qi Huang, and a team of scientists in chemical and biomolecular engineering and electrical and computer engineering at Johns Hopkins University, U.S., proposed a mass-production strategy to create monolayer graphene-based reversible self-folding structures. The material can be used in microfluidics and micromechanical systems. As proof of concept, they achieved complex and functional devices in the form of rings, polyhedra, flowers and origami birds. They then integrated gold electrodes to the constructs to improve their detection sensitivity. The experiments suggest a comprehensive framework to rationally design and fabricate scalable and complex, 3-D, self-folding optical and electronic devices by folding 2-D monolayer graphene.
NEW NANOSTRUCTURED ALLOY FOR ANODE IS A BIG STEP TOWARD REVOLUTIONIZING ENERGY STORAGE
Researchers in the Oregon State University College of Engineering have developed a battery anode based on a new nanostructured alloy that could revolutionize the way energy storage devices are designed and manufactured.
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