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Dear esteem reader,
Here is your SHAB TECHNOLOGY PLANET customized technology news for December 15, 2020.
Spotlight Stories Headlines
? TECHNOLOGY NEWS???:
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DEEP REINFORCEMENT-LEARNING ARCHITECTURE COMBINES PRE-LEARNED SKILLS TO CREATE NEW SETS OF SKILLS ON THE FLY
A team of researchers from the University of Edinburgh and Zhejiang University has developed a way to combine deep neural networks (DNNs) to create a new type of system with a new kind of learning ability. The group describes their new architecture and its performance in the journal Science Robotics.
REACTIVE VIDEO PLAYBACK THAT YOU CONTROL WITH YOUR BODY
Computer scientists have developed an entirely new way of interacting with video content that adapts to, and is controlled by, your body movement.
PEROVSKITE/SILICON TANDEM SOLAR CELLS AT THE MAGIC THRESHOLD OF 30% EFFICIENCY
An HZB team has published a report in the journal Science on the development of its current world record of 29.15% efficiency for a tandem solar cell made of perovskite and silicon. The tandem cell provided stable performance for 300 hours—even without encapsulation. To accomplish this, the group headed by Prof. Steve Albrecht investigated physical processes at the interfaces to improve the transport of the charge carriers.
? PHYSICS NEWS⚙♨:
NETWORK ISOTOPY: A FRAMEWORK TO STUDY THE 3-D LAYOUTS OF PHYSICAL NETWORKS
The structure and functions of many physical networks, including the human brain, the vascular system and other biological networks, often depend on their three-dimensional and geometrical layout. Distinguishing between physical networks with identical connections but different geometrical layouts, however, can be very challenging.
TEAM’S ELECTRIC ‘KNOB’ TUNES CHEMICAL REACTION RATES IN QUANTUM GAS
Building on their newfound ability to induce molecules in ultracold gases to interact with each other over long distances, JILA researchers have used an electric “knob” to influence molecular collisions and dramatically raise or lower chemical reaction rates.
RESEARCHERS REPORT ROLE OF QUANTUM VIBRATIONS IN ELECTRON TRANSFER
Princeton Chemistry’s Scholes Group is reporting evidence that quantum vibrations participate in electron transfer, establishing with ultrafast laser spectroscopy that the vibrations provide channels through which the reaction takes place.
? EARTH NEWS?:
WHAT CAUSED THE ICE AGES? TINY OCEAN FOSSILS OFFER KEY EVIDENCE
The last million years of Earth history have been characterized by frequent “glacial-interglacial cycles,” large swings in climate that are linked to the growing and shrinking of massive, continent-spanning ice sheets. These cycles are triggered by subtle oscillations in Earth’s orbit and rotation, but the orbital oscillations are too subtle to explain the large changes in climate.
BIG DATA OFFERS PROMISE OF BETTER GROUNDWATER MANAGEMENT IN CALIFORNIA
To ensure that California’s groundwater is sustainably managed in the future and over the long-term, current state definitions of what constitutes groundwater may need to be revised, according to research published this week in PNAS. A McGill University-led research team has analyzed big data of more than 200,000 groundwater samples taken from across the state and found that there are problems with the guidelines used for groundwater management. Known as the ‘Base of Fresh Water’, the guidelines are close to fifty years old and don’t reflect current uses, knowledge, concerns or technologies related to managing groundwater in this coastal state with a multi-billion-dollar agricultural industry.
? ASTRONOMY & SPACE NEWS??:
HUBBLE PINS DOWN WEIRD EXOPLANET WITH FAR-FLUNG ORBIT THAT BEHAVES LIKE THE LONG-SOUGHT ‘PLANET NINE’
A planet in an unlikely orbit around a double star 336 light-years away may offer a clue to a mystery much closer to home: A hypothesized, distant body in our solar system dubbed “Planet Nine.”
FIRST WOMAN, NEXT MAN ON MOON WILL COME FROM THESE NASA 18
NASA has named the 18 astronauts—half of them women—who will train for its Artemis moon-landing program.
SPACEX LAUNCHES STARSHIP ON HIGHEST TEST FLIGHT, CRASH-LANDS
SpaceX launched its shiny, bullet-shaped, straight-out-of-science fiction Starship several miles into the air from a remote corner of Texas on Wednesday, but the 6 1/2-minute test flight ended in an explosive fireball at touchdown.
? NANOTECHNOLOGY NEWS⛄☃:
RESEARCHERS IDENTIFY THE PHYSICAL MECHANISM THAT CAN KILL BACTERIA WITH GOLD NANOPARTICLES
Finding alternatives to antibiotics is one of the biggest challenges facing the research community. Bacteria are increasingly resistant to these drugs, and this resistance leads to the deaths of more than 25,000 around the world. Now, a multidisciplinary team of researchers from the Universitat Rovira i Virgili, the University of Grenoble (France), the University of Saarland (Germany) and RMIT University (Australia) have discovered that the mechanical deformation of bacteria is a toxic mechanism that can kill bacteria with gold nanoparticles. The results of this research have been published in the journal Advanced Materials and are a breakthrough in researchers’ understanding the antibacterial effects of nanoparticles and their efforts to find new materials with bactericide properties.
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