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Dear esteem reader,
Here is your SHAB TECHNOLOGY PLANET customized technology news for April 19, 2021.
Spotlight Stories Headlines
? TECHNOLOGY NEWS???:
THERMOELECTRIC MATERIAL DISCOVERY SETS STAGE FOR NEW FORMS OF ELECTRIC POWER IN THE FUTURE
Thermoelectrics directly convert heat into electricity and power a wide array of items—from NASA’s Perseverance rover currently exploring Mars to travel coolers that chill beverages.
SUNLIGHT TO SOLVE THE WORLD’S CLEAN WATER CRISIS
Researchers at UniSA have developed a cost-effective technique that could deliver safe drinking water to millions of vulnerable people using cheap, sustainable materials and sunlight.
MACRO CYBER RESILIENCE: ENSURING FUNCTIONALITY OF INTERCONNECTED COMPLEX SYSTEMS
For the second straight year, Pacific Northwest National Laboratory (PNNL) researchers are featured in a special edition of the Journal of Information Warfare. This issue explores the topic of macro cyber resiliency.
VIRTUAL HUMANS ARE EQUAL TO REAL ONES IN HELPING PEOPLE PRACTICE NEW LEADERSHIP SKILLS
A virtual human can be as good as a flesh-and-blood one when it comes to helping people practice new leadership skills. That’s the conclusion from new research published in the journal Frontiers in Virtual Reality that evaluated the effectiveness of computer-generated characters in a training scenario compared to real human role-players in a conventional setting.
? PHYSICS NEWS⚙♨:
NEW TECH BUILDS ULTRALOW-LOSS INTEGRATED PHOTONIC CIRCUITS
Encoding information into light, and transmitting it through optical fibers lies at the core of optical communications. With an incredibly low loss of 0.2 dB/km, optical fibers made from silica have laid the foundations of today’s global telecommunication networks and our information society.
SCIENTISTS REJECT RESTRICTIVE HEAT FLUX MODELS USING DIRECTLY DRIVEN GOLD SPHERES
A team of scientists has conducted an analysis of directly driven gold sphere experiments to test heat transport models used in inertial confinement fusion (ICF) and high energy density (HED) modeling. It was found that overly restricting the heat flux caused disagreement with measurement.
NEW WARP DRIVE RESEARCH DASHES FASTER THAN LIGHT TRAVEL DREAMS – BUT REVEALS STRANGER POSSIBILITIES
In 1994, physicist Miguel Alcubierre proposed a radical technology that would allow faster than light travel: the warp drive, a hypothetical way to skirt around the universe’s ultimate speed limit by bending the fabric of reality.
? EARTH NEWS?:
MICROORGANISMS ON THE RIO GRANDE RISE ARE A BASIS FOR LIFE AND A POSSIBLE ORIGIN OF METALS
The abundant biological and mineral diversity of the Rio Grande Rise, a seamount in the depths of the Atlantic Ocean about 1,500 km from the coast of Brazil, is probably due, to a great extent, to little-known microscopic creatures.
STREAMS AND RIVERS EMIT MORE CARBON DIOXIDE AT NIGHT THAN DAY
Streams and rivers emit large amounts of carbon dioxide into the atmosphere, but a new study published in Nature Geoscience led by researchers at the universities in Umeå and Lausanne shows that the flux may be greater than previously thought.
EARTH SCIENTISTS CALL FOR PREVENTION AND WARNING SYSTEMS FOR HIMALAYAN FLOODING EVENTS
A pair of earth scientists at the Indian Institute of Technology–Kanpu are calling for flood prevention and warning systems in areas around the Himalayan mountains to protect people from floods or to warn them of impending disasters. In their Perspectives piece published in the journal Science, Tanuj Shukla and Indra Sen point out that rising temperatures due to global warming are leading to an increase in flood danger for people who live in the area.
? ASTRONOMY & SPACE NEWS??:
SpaceX, NASA GIVE ‘GO’ FOR ASTRONAUT LAUNCH, 3RD FOR DRAGON
SpaceX is gearing up for its third astronaut launch in under a year, after getting the green light from NASA a week ahead of next Thursday’s planned flight.
SURPRISE TWIST SUGGESTS STARS GROW COMPETITIVELY
A survey of star formation activity in the Orion Nebula Cluster found similar mass distributions for newborn stars and dense gas cores, which may evolve into stars. Counterintuitively, this means that the amount of gas a core accretes as it develops, and not the initial mass of the core, is the key factor in deciding the final mass of the produced star.
NASA ROCKET TO SURVEY THE SOLAR SYSTEM’S WINDSHIELD
Eleven billion miles away—more than four times the distance from us to Pluto—lies the boundary of our solar system’s magnetic bubble, the heliopause. Here the Sun’s magnetic field, stretching through space like an invisible cobweb, fizzles to nothing. Interstellar space begins.
? NANOTECHNOLOGY NEWS⛄☃:
DESIGNED PROTEINS ASSEMBLE ANTIBODIES INTO MODULAR NANOCAGES
In a new report now published on Science, Robby Divine and an interdisciplinary research team at the department of biochemistry, regenerative medicine, and vaccines and infectious disease at the University of Washington U.S. and the School of Medicine, at the Tehran University of Medical Sciences, Iran, conducted computational designs of nanocages to assemble antibodies into precise architectures. During the construction, one structural component formed an antibody or Fc-ligand fusion and the second design formed an antibody-binding homo-oligomer to drive nanocage assembly with different valencies and symmetry. The team hypothesize how this process can also increase the neutralization of a pseudovirus; severe acute respiratory syndrome coronavirus-2 (SARS-COV-2) via α- SARS-COV-2 monoclonal antibodies and Fc-angiotensin-converting enzyme 2 (ACE-2) fusion proteins.
OXYGEN MIGRATION ENABLES FERROELECTRICITY ON NANOSCALE
Hafnium-based thin films, with a thickness of only a few nanometres, exhibit an unconventional form of ferroelectricity. This allows the construction of nanometre-sized memories or logic devices. However, it was not clear how ferroelectricity could occur at this scale. A study that was led by scientists from the University of Groningen showed how atoms move in a hafnium-based capacitor: migrating oxygen atoms (or vacancies) are responsible for the observed switching and storage of charge. The results, which were published online by the journal Science on 15 April, point the way to new ferroelectric materials.
NEW NANOSCALE DEVICE FOR SPIN TECHNOLOGY
Researchers at Aalto University have developed a new device for spintronics. The results have been published in the journal Nature Communications, and mark a step towards the goal of using spintronics to make computer chips and devices for data processing and communication technology that are small and powerful.
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