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Top Physical & Tech News -- ScienceDaily
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Top Physical & Tech News
March 20, 2020
Top Headlines
 
ALMA radio antennas at night (stock image). | Credit: (c) Christian / stock.adobe.com

The Strange Orbits of 'Tatooine' Planetary Disks

Mar. 19, 2020 — Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have found striking orbital geometries in protoplanetary disks around binary stars. While disks ... read more
Planet Mercury illustration (stock image). | Credit: (c) Matthieu / stock.adobe.com

Mercury's Scorching Daytime Heat May Help It Make Its Own Ice at Caps

Mar. 13, 2020 — Despite Mercury's 400-degree Celsius daytime heat, there is ice at its caps. And now a study shows how that Vulcan scorch probably helps the planet closest to the sun make ... read more
Very Large Telescope in Chile (stock image). | Credit: (c) Christian / stock.adobe.com

Exoplanet Where It Rains Iron Discovered

Mar. 11, 2020 — Researchers have observed an extreme planet where they suspect it rains iron. The ultra-hot giant exoplanet has a day side where temperatures climb above 2400 degrees ... read more
Dinosaur scene illustration (stock image). | Credit: (c) boscorelli / stock.adobe.com

Ancient Shell Shows Days Were Half-Hour Shorter 70 Million Years Ago

Mar. 9, 2020 — Earth turned faster at the end of the time of the dinosaurs than it does today, rotating 372 times a year, compared to the current 365, according to a new study of fossil ... read more
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Study Reveals How Long COVID-19 Remains Infectious on Cardboard, Metal and Plastic

Mar. 20, 2020 — The virus that causes COVID-19 remains for several hours to days on surfaces and in aerosols, a new scientific study has found. The study suggests that people may acquire the coronavirus through the ... read more

How and Where to Allocate Stockpiled Ventilators During a Pandemic

Mar. 20, 2020 — Key factors must be taken into account in determining the need for and allocation of scarce ventilators during a severe pandemic, especially one causing respiratory ... read more

Coronavirus Testing Kits to Be Developed Using RNA Imaging Technology

Mar. 19, 2020 — Researchers will use a pioneering imaging technology -- called Mango, for its bright color -- to develop coronavirus testing ... read more

Chip-Based Devices Improve Practicality of Quantum-Secured Communication

Mar. 19, 2020 — Researchers have demonstrated new chip-based devices that contain all the optical components necessary for quantum key distribution while increasing real-world security. The fast and cost-effective ... read more

Scientists Program Cells to Carry out Gene-Guided Construction Projects

Mar. 19, 2020 — Researchers developed a technique called genetically targeted chemical assembly, or GTCA, which they used to assemble electronically active biopolymer meshes on mammalian brain cells and on neurons ... read more

Compact Beam Steering Studies to Revolutionize Autonomous Navigation, AR, Neuroscience

Mar. 19, 2020 — In three recent papers, engineers report the first demonstration of optical phased array technology on-chip at both near infrared and blue wavelength with applications in a broad range of research ... read more

How Molecules Self-Assemble Into Superstructures

Mar. 19, 2020 — Most technical functional units are built bit by bit according to a well-designed construction plan. The components are sequentially put in place by humans or machines. Life, however, starts ... read more

Secrets to Swimming Efficiency of Whales, Dolphins

Mar. 19, 2020 — Recent work has examined the fluid mechanics of cetacean propulsion by numerically simulating their oscillating tail fins. A team developed a model that, for the first time, could quantitatively ... read more

Black Hole Team Discovers Path to Razor-Sharp Black Hole Images

Mar. 18, 2020 — A team of researchers have published new calculations that predict a striking and intricate substructure within black hole images from extreme gravitational light ... read more

New Telescope Design Could Capture Distant Celestial Objects With Unprecedented Detail

Mar. 18, 2020 — Researchers have designed a new camera that could allow hypertelescopes to image multiple stars at once. The enhanced telescope design holds the potential to obtain extremely high-resolution images ... read more

Novel System Allows Untethered High-Quality Multi-Player VR

Mar. 18, 2020 — Researchers created a new approach to VR that will allow multiple players to interact with the same VR app on smartphones and provide new opportunities for education, health care and ... read more

Shedding Light on Optimal Materials for Harvesting Sunlight Underwater

Mar. 18, 2020 — There may be many overlooked organic and inorganic materials that could be used to harness sunlight underwater and efficiently power autonomous submersible vehicles, report researchers. New research ... read more

Shape-Changing, Free-Roaming Soft Robot Created

Mar. 18, 2020 — A new type of robot combines traditional and soft robotics, making it safe but sturdy. Once inflated, it can change shape and move without being attached to a source of energy or ... read more

Mathematicians Develop New Theory to Explain Real-World Randomness

Mar. 18, 2020 — Brownian motion describes the random movement of particles in fluids, however, this revolutionary model only works when a fluid is static, or at equilibrium. In real-life, fluids often contain ... read more

New Technique 'Prints' Cells to Create Diverse Biological Environments

Mar. 18, 2020 — With the help of photolithography and programmable DNA, researchers have created a new technique that can rapidly 'print' two-dimensional arrays of cells and proteins that mimic a wide ... read more

Supercomputers Unlock Reproductive Mysteries of Viruses and Life

Mar. 18, 2020 — Supercomputer simulations support a new mechanism for the budding off of viruses like the coronavirus. ESCRTIII polymer features clear intrinsic twist in molecular dynamics simulations, might play ... read more

New Sensor Could Help Prevent Food Waste

Mar. 18, 2020 — Chemists have created a tiny sensor that can detect ethylene gas, a plant hormone, in concentrations as low as 15 parts per billion. The sensor could be used to monitor produce ripeness and prevent ... read more

Frozen-Planet States in Exotic Helium Atoms

Mar. 18, 2020 — Scientists describe the configuration and energy levels of antiprotonic helium that can potentially be produced by colliding slow antiprotons with ordinary helium at ... read more

Distortion Isn't a Drag on Fluid-Straddling Particles

Mar. 18, 2020 — New research shows that the drag force experienced by fluid-straddling particles is less affected by interface distortion than previously ... read more

Chemistry: Access to Forbidden Rings

Mar. 18, 2020 — Chemists have now devised a new technique for creating chains of molecular rings that do not use standard chemical interactions but contact with large molecular surfaces that are electron-poor and do ... read more
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