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Dear esteem reader,
Here is your SHAB TECHNOLOGY PLANET customized technology news for February 25, 2021.
Spotlight Stories Headlines
? TECHNOLOGY NEWS???:
COUNT DOWN IN PROGRESS
Countdown to March01,2021 in progress as the STP 3DS 2021 ORDER OF PROGRAMME MEMO is officially out.
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A ROBOT THAT ALLOWS USERS TO VIRTUALLY NAVIGATE REMOTE ENVIRONMENTS
Two students who graduated from VR Siddartha Engineering College in Kanuru, India, have created a virtual telepresence robot that allows users to see what is happening in a remote location as if they were actually there. Their project, supervised by Professor V.N. Prudhvi Raj, provides a valuable example of how robots can be used to capture video data in real time and monitor places that are momentarily or permanently inaccessible to humans.
LOW-LEVEL JETS CREATE WINDS OF CHANGE FOR TURBINES
As one of the leading sources of clean and renewable energy, global wind power capacity has increased more than fivefold over the past decade, leading to larger turbines and pushing wind technology to its limits.
SECURITY FLAW DETECTED FOR THE SECOND TIME IN CREDIT CARDS
After finding a vulnerability in certain credit cards for the first time last year, ETH researchers have now found a way to outsmart the PIN codes for other payment cards.
? PHYSICS NEWS⚙♨:
MEASURING HEMOGLOBIN LEVELS WITH AI MICROSCOPE, MICROFLUIDIC CHIPS
One of the most performed medical diagnostic tests to ascertain the health of patients is a complete blood count, which typically includes an estimate of the hemoglobin concentration. The hemoglobin level in the blood is an important biochemical parameter that can indicate a host of medical conditions including anemia, polycythemia, and pulmonary fibrosis.
SIMPLY SPEAKING WHILE INFECTED CAN POTENTIALLY SPREAD COVID-19
COVID-19 can spread from asymptomatic but infected people through small aerosol droplets in their exhaled breath. Most studies of the flow of exhaled air have focused on coughing or sneezing, which can send aerosols flying long distances.
NEW SENSOR PAVES WAY TO LOW-COST SENSITIVE METHANE MEASUREMENTS
Researchers have developed a new sensor that could allow practical and low-cost detection of low concentrations of methane gas. Measuring methane emissions and leaks is important to a variety of industries because the gas contributes to global warming and air pollution.
? EARTH NEWS?:
CLIMATE IMPACTS DRIVE EAST-WEST DIVIDE IN FOREST SEED PRODUCTION
Younger, smaller trees that comprise much of North America’s eastern forests have increased their seed production under climate change, but older, larger trees that dominate forests in much of the West have been less responsive, a new Duke University-led study finds.
Mt Etna’s LATEST ERUPTIONS AWE EVEN THOSE WHO STUDY VOLCANOS
Mount Etna, Europe’s most active volcano, has awed even seasoned volcanologists in recent days with spectacular spurts of lava lighting up the Sicilian sky each night.
‘MISSING ICE PROBLEM’ FINALLY SOLVED
During glacial periods, the sea level falls, because vast quantities of water are stored in the massive inland glaciers. To date, however, computer models have been unable to reconcile sea-level height with the thickness of the glaciers. Using innovative new calculations, a team of climate researchers led by the Alfred Wegener Institute has now managed to explain this discrepancy. The study, which was recently published in the journal Nature Communications, could significantly advance research into our planet’s climate history.
? ASTRONOMY & SPACE NEWS??:
ULTRALUMINOUS X-RAY PULSAR M51 ULX-7 INSPECTED BY RESEARCHERS
Using NASA’s Swift and Chandra space observatories, astronomers have investigated an ultraluminous X-ray pulsar known as M51 ULX-7. The study, detailed in a paper published February 16 on the arXiv pre-print server, sheds more light on the X-ray variability of this source.
RECLUSIVE NEUTRON STAR MAY HAVE BEEN FOUND IN FAMOUS SUPERNOVA
What remains of the star that exploded just outside our galaxy in 1987? Debris has obscured scientists’ view, but two of NASA’s X-ray telescopes have revealed new clues.
MARTIAN MOONS HAVE A COMMON ANCESTOR
Mars’s two moons, Phobos and Deimos, have puzzled researchers since their discovery in 1877. They are very small: Phobos’s diameter of 22 kilometers is 160 times smaller than that of our moon, and Deimos is even smaller, with a diameter of only 12 kilometers. “Our moon is essentially spherical, while the moons of Mars are very irregularly shaped—like potatoes,” says Amirhossein Bagheri, a doctoral student at the Institute of Geophysics at ETH Zurich, adding: “Phobos and Deimos look more like asteroids than natural moons.”
? NANOTECHNOLOGY NEWS⛄☃:
THE MAGIC ANGLE OF TWISTED GRAPHENE
Graphene, a two-dimensional material composed exclusively of carbon, has revealed extraordinary properties, including thermal and electrical conductivity, transparency, and flexibility. When combined, these properties become particularly interesting in the age of touch screens and flexible electronics. “Unlike 3-D materials, graphene has a height reduced to the ultimate dimension of the atom. It’s therefore a carbon atom plane,” explains Prof. Jean-Christophe Charlier, a specialist in nanoscopic physics at the Institute of Condensed Matter and Nanosciences of UCLouvain.
TERAHERTZ IMAGING OF GRAPHENE PAVES THE WAY TO INDUSTRIALISATION
X-ray scans revolutionized medical treatments by allowing us to see inside humans without surgery. Similarly, terahertz spectroscopy penetrates graphene films allowing scientists to make detailed maps of their electrical quality, without damaging or contaminating the material. The Graphene Flagship brought together researchers from academia and industry to develop and mature this analytical technique, and now a novel measurement tool for graphene characterization is ready.
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