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ScienceDaily: Matter & Energy News |
| Creating order by mechanical deformation in dense active matter Posted: 27 Sep 2021 02:29 PM PDT Living or biological systems cannot be easily understood using the standard laws of physics, such as thermodynamics, as scientists would for gases, liquids or solids. Living systems are active, demonstrating fascinating properties such as adapting to their environment or repairing themselves. Exploring the questions posed by living systems using computer simulations, researchers have now discovered a novel type of ordering effect generated and sustained by a simple mechanical deformation, specifically steady shear. |
| Screening device accurately detects amblyopia (lazy eye) Posted: 27 Sep 2021 02:29 PM PDT A handheld screening device that detects subtle misalignment of the eyes accurately identifies children with amblyopia (lazy eye), according to a new study. |
| N95 respirators could offer robust protection from wildfire smoke Posted: 27 Sep 2021 11:36 AM PDT N95 respirators offer the best protection against wildfire smoke and other types of air pollution, performing better than synthetic, cotton and surgical masks. N95s were so effective in the lab experiments that the researchers estimate their widespread use could reduce hospital visits attributable to wildfire smoke by 22% to 39%. |
| Record in materials research: X-ray microscopy with 1000 tomograms per second Posted: 27 Sep 2021 10:20 AM PDT Tomoscopy is an imaging method in which three-dimensional images of the inside of materials are calculated in rapid succession. Now a team has achieved a new record: with 1000 tomograms per second, it is now possible to non-destructively document very fast processes and developments in materials on the micrometer scale, such as the burning of a sparkler or the foaming of a metal alloy for the production of stable lightweight materials. |
| Ultrathin quantum dot LED that can be folded freely as paper Posted: 27 Sep 2021 08:05 AM PDT Scientists have unveiled an ultrathin quantum dot LED that can be folded as freely as paper. The new device can be folded into complex 3D structures such as butterflies, airplanes, and pyramids. |
| When accidents happen, drones weigh their options Posted: 27 Sep 2021 08:05 AM PDT Flying cars, drones, and other urban aerial mobility vehicles have real potential to provide efficient transportation and delivery solutions, but what happens if a drone delivering cheeseburgers breaks down over a city park or in the middle of a crowded street? Researchers developed a method to measure vehicles' ability to recover and complete its mission safely. |
| Taking the guesswork out of genetic engineering Posted: 27 Sep 2021 08:04 AM PDT If necessity is the mother of invention, frustration is the father. When scientists kept running into aggravating problems with the existing tools and methods they were using to perform genetic engineering experiments, they decided to make better ones. They teamed up and created an integrated pipeline called STAMPScreen that combines novel algorithms, a new gene cloning technique, and powerful next-generation sequencing technology to help scientists get from a database to results quickly, easily, and frustration-free. |
| ‘Back to basics’ approach helps unravel new phase of matter Posted: 27 Sep 2021 05:22 AM PDT A new phase of matter, thought to be understandable only using quantum physics, can be studied with far simpler classical methods. |
| A 3D-printed vaccine patch offers vaccination without a shot Posted: 24 Sep 2021 03:25 PM PDT Scientists have created a 3D-printed vaccine patch that provides greater protection than a typical vaccine shot. |
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