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Dear esteem reader,
Here is your SHAB TECHNOLOGY PLANET customized technology news for April 28, 2021.
Spotlight Stories Headlines
? TECHNOLOGY NEWS???:
DLL: A MAP-BASED LOCALIZATION FRAMEWORK FOR AERIAL ROBOTS
To enable the efficient operation of unmanned aerial vehicles (UAVs) in instances where a global localization system (GPS) or an external positioning device (e.g., a laser reflector) is unavailable, researchers must develop techniques that automatically estimate a robot’s pose. If the environment in which a drone operates does not change very often and one is able to build a 3D map of this environment, map-based robot localization techniques can be fairly effective.
INSPIRED BY ORIGAMI: NEXT-GENERATION INFLATABLE BUILDINGS MAINTAIN THEIR SHAPE WITHOUT CONSTANT INPUT OF PRESSURE
In 2016, an inflatable arch wreaked havoc at the Tour de France bicycle race when it deflated and collapsed on a cyclist, throwing him from his bike and delaying the race while officials scrambled to clear the debris from the road. Officials blamed a passing spectator’s wayward belt buckle for the arch’s collapse, but the real culprit was physics.
RESEARCHERS’ VR WALKING SIMULATOR FEELS SURPRISINGLY CLOSE TO THE REAL THING
Despite virtual reality (VR) technology being more affordable than ever, developers have yet to achieve a sense of full immersion in a digital world. Among the greatest challenges is making the user feel as if they are walking.
? PHYSICS NEWS⚙♨:
STUDY PROVIDES DETAILED LOOK AT INTRIGUING PROPERTY OF CHIRAL MATERIALS
In nature, many molecules possess a property called chirality, which means that they cannot be superimposed on their mirror images (like a left and right hand).
BRINGING NEUTRON STARS DOWN TO EARTH
Imagine taking all of the water in Lake Michigan—more than a quadrillion gallons—and squeezing it into a 4-gallon bucket, the kind you’d find at a hardware store.
SCIENTISTS CAPTURE FIRST EVER IMAGE OF AN ELECTRON’S ORBIT WITHIN AN EXCITON
In a world first, researchers from the Okinawa Institute of Science and Technology Graduate University (OIST) have captured an image showing the internal orbits, or spatial distribution, of particles in an exciton—a goal that had eluded scientists for almost a century. Their findings are published in Science Advances.
? EARTH NEWS?:
IN CALCULATING THE SOCIAL COST OF METHANE, EQUITY MATTERS
What is the cost of 1 ton of a greenhouse gas? When a climate-warming gas such as carbon dioxide or methane is emitted into the atmosphere, its impacts may be felt years and even decades into the future—in the form of rising sea levels, changes in agricultural productivity, or more extreme weather events, such as droughts, floods, and heat waves. Those impacts are quantified in a metric called the “social cost of carbon,” considered a vital tool for making sound and efficient climate policies.
USING FLOODWATERS TO WEATHER DROUGHTS
Floodwaters are not what most people consider a blessing. But they could help remedy California’s increasingly parched groundwater systems, according to a new Stanford-led study. The research, published in Science Advances, develops a framework to calculate future floodwater volumes under a changing climate and identifies areas where investments in California’s aging water infrastructure could amplify groundwater recharge. As the state grapples with more intense storms and droughts, stowing away floodwaters would not only reduce flood risks but also build more water reserves for drier times.
ENERGY UNLEASHED BY SUBMARINE VOLCANOES COULD POWER A CONTINENT
Volcanic eruptions deep in our oceans are capable of extremely powerful releases of energy, at a rate high enough to power the whole of the United States, according to research published today.
? ASTRONOMY & SPACE NEWS??:
BUBBLE WITH TITANIUM TRIGGERS TITANIC EXPLOSIONS
Scientists have found fragments of titanium blasting out of a famous supernova. This discovery, made with NASA’s Chandra X-ray Observatory, could be a major step in pinpointing exactly how some giant stars explode.
ASTRONOMERS RELEASE NEW ALL-SKY MAP OF THE MILKY WAY’S OUTER REACHES
Astronomers using data from NASA and the ESA (European Space Agency) telescopes have released a new all-sky map of the outermost region of our galaxy. Known as the galactic halo, this area lies outside the swirling spiral arms that form the Milky Way’s recognizable central disk and is sparsely populated with stars. Though the halo may appear mostly empty, it is also predicted to contain a massive reservoir of dark matter, a mysterious and invisible substance thought to make up the bulk of all the mass in the universe.
HUMUNGOUS FLARE FROM SUN’S NEAREST NEIGHBOR BREAKS RECORDS
Scientists have spotted the largest flare ever recorded from the sun’s nearest neighbor, the star Proxima Centauri.
? NANOTECHNOLOGY NEWS⛄☃:
ELECTRIFYING CEMENT WITH NANOCARBON BLACK
Since its invention several millennia ago, concrete has become instrumental to the advancement of civilization, finding use in countless construction applications—from bridges to buildings. And yet, despite centuries of innovation, its function has remained primarily structural.
BIO-NANOCELLULOSE MESHES IMPROVE HERNIA REPAIR SURGERY
Bacterial nanocellulose is an emergent biocompatible natural polymer with increasing applicability in the healthcare sector. A potential innovative application can be found in the design of surgical meshes for the treatment of abdominal hernias. Researchers from ICMAB-CSIC and B. Braun Surgical, a leading manufacturer of medical devices for wound closure, have collaborated to develop a bio-based surgical mesh with this biomaterial. First results from an in vivo animal study yield promising outcomes.
RAPID CHARACTERIZATION OF CARBON 2D MATERIALS
Industrial applications of nanomaterials commonly require their dispersion in solvents to embed them in final products. Examples of applications include battery electrodes, composite reinforcement, printed electronics, and many more. As nanomaterials exhibit a high surface-to-mass ratio, their surface properties, in particular surface chemistry, govern their interactions with the external environment. Therefore, these must be carefully characterized to optimize product performance.
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