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Dear esteem reader,
Here is your SHAB TECHNOLOGY PLANET customized technology news for January 25, 2021.
Spotlight Stories Headlines
T.P.E.A.N
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SQUID-INSPIRED ROBOT SWIMS WITH NATURE’S MOST EFFICIENT MARINE ANIMALS
Scientists at the University of Southampton and University of Edinburgh have developed a flexible underwater robot that can propel itself through water in the same style as nature’s most efficient swimmer—the Aurelia aurita jellyfish.
NEW ECO-FRIENDLY WAY TO MAKE AMMONIA COULD BE BOON FOR AGRICULTURE, HYDROGEN ECONOMY
Ammonia has sustained humanity since the early 20th century, but its production leaves a huge carbon footprint. Now researchers have found a way to make it 100 percent renewable.
AN AI SYSTEM FOR TRAINING DOGS
A team of researchers at Colorado State University has designed an AI system to train a dog to obey certain oral commands without human assistance. In their paper uploaded to the arXiv preprint server, the researchers describe the technology that was used to build the system and how well it worked when tested.
NEW ADVANCES IN THE DETECTION OF BIAS IN FACE RECOGNITION ALGORITHMS
A team from the Computer Vision Center (CVC) and the University of Barcelona has published the results of a study that evaluates the accuracy and bias in gender and skin color of automatic face recognition algorithms tested with real world data. Although the top solutions exceed the 99.9% of accuracy, researchers have detected some groups that show higher false positive or false negative rates
? PHYSICS NEWS⚙♨:
FREE ONLINE TOOL CALCULATES RISK OF COVID-19 TRANSMISSION IN POORLY-VENTILATED SPACES
The vital role of ventilation in the spread of COVID-19 has been quantified by researchers, who have found that in poorly-ventilated spaces, the virus spreads further than two meters in seconds, and is far more likely to spread through prolonged talking than through coughing.
DO SIMULATIONS REPRESENT THE REAL WORLD AT THE ATOMIC SCALE?
Computer simulations hold tremendous promise to accelerate the molecular engineering of green energy technologies, such as new systems for electrical energy storage and solar energy usage, as well as carbon dioxide capture from the environment. However, the predictive power of these simulations depends on having a means to confirm that they do indeed describe the real world.
? EARTH NEWS?:
WORLD’S LARGEST LAKES REVEAL CLIMATE CHANGE TRENDS
Sixteen years of remote sensing data reveals that in Earth’s largest freshwater lakes, climate change influences carbon fixation trends.
NATURAL HAZARD EVENTS AND NATIONAL RISK REDUCTION MEASURES UNCONNECTED
Countries where massive natural hazard events occur frequently are not more likely than others to make changes to reduce risks from future disasters. This is shown in an interdisciplinary Uppsala University study now published in Nature Communications.
ANCIENT INDIGENOUS NEW MEXICAN COMMUNITY KNEW HOW TO SUSTAINABLY COEXIST WITH WILDFIRE
Wildfires are the enemy when they threaten homes in California and elsewhere. But a new study led by SMU suggests that people living in fire-prone places can learn to manage fire as an ally to prevent dangerous blazes, just like people who lived nearly 1,000 years ago.
? ASTRONOMY & SPACE NEWS??:
SATURN’S TILT CAUSED BY ITS MOONS
Two scientists from CNRS and Sorbonne University working at the Institute of Celestial Mechanics and Ephemeris Calculation (Paris Observatory—PSL/CNRS) have just shown that the influence of Saturn’s satellites can explain the tilt of the rotation axis of the gas giant. Their work, published on 18 January 2021 in the journal Nature Astronomy, also predicts that the tilt will increase even further over the next few billion years.
PHYSICIST PROPOSES HUMAN-POPULATED MEGA-SATELLITE ORBITING CERES PHYSICIST PEKKA JANHUNEN WITH THE FINNISH
Meteorological Institute has developed a novel idea to colonize a place other than the Earth—and it is not the moon or Mars. Instead, Janhunen is suggesting in a paper posted on the arXiv preprint server that humans populate a giant satellite that orbits Ceres, a dwarf planet in the asteroid belt between Jupiter and Mars.
GENESIS OF BLUE LIGHTNING INTO THE STRATOSPHERE DETECTED FROM ISS
Dark clouds, the smell of rain on a hot sidewalk, the flashes of intense light followed by a loud crackling and then a low, rolling thunder—who doesn’t love a good summer thunderstorm? We’ve all seen one, heard one, or been completely soaked by one. But how much do we really know about this weather phenomenon?
? NANOTECHNOLOGY NEWS⛄☃:
OPTICAL DATA TRANSMISSION SPEED INCREASED BY A FACTOR OF AT LEAST 10,000
Pulsed lasers repeatedly emit light for a short period of time as if blinking. They have the advantage of focusing more energy than a continuous wave laser, whose intensity is kept unchanged over time. If digital signals are loaded in a pulsed laser, each pulse can encode one bit of data. In this respect, the higher the repetition rate, the more the amount of data that can be transmitted. However, conventional optical-fiber-based pulsed lasers have typically had a limitation in increasing the number of pulses per second above the MHz level.
GOLD NANOPARTICLES MORE STABLE BY PUTTING RINGS ON THEM
Hokkaido University scientists have found a way to prevent gold nanoparticles from clumping, which could help towards their use as an anti-cancer therapy
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