ScienceDaily: Matter & Energy News |
| Chemicals in Fairbanks winter air Posted: 28 Jun 2022 11:46 AM PDT A chemical compound discovered in 2019 in Fairbanks' wintertime air accounts for a significant portion of the community's fine particulate pollution, according to new research that seeks to better understand the causes and makeup of the dirty air. The finding is the first measurement of how much hydroxymethanesulfonate, or HMS, is in Fairbanks' air. |
| Strategies beyond recycling to bolster circular economy for solar and battery technologies Posted: 28 Jun 2022 10:39 AM PDT In a new comprehensive literature review, researchers have discovered that alternatives to recycling may have untapped potential to build an effective circular economy for solar photovoltaic (PV) and battery technologies. These alternative strategies, such as reducing the use of virgin materials in manufacturing, reusing for new applications, and extending product life spans, may provide new paths to building sustainable product life cycles. |
| Investigating positron scattering from giant molecular targets Posted: 28 Jun 2022 08:34 AM PDT New research looks at positron scattering from rare gas atoms encapsulated in carbon 60 to investigate quantum properties that can't be tested with electrons. |
| New biobatteries use bacterial interactions to generate power for weeks Posted: 28 Jun 2022 08:33 AM PDT Researchers have developed a 'plug-and-play' biobattery that lasts for weeks at a time and can be stacked to improve output voltage and current. |
| Microfluidic-based soft robotic prosthetics promise relief for diabetic amputees Posted: 28 Jun 2022 08:33 AM PDT Scientists reveal their development of a new type of prosthetic using microfluidics-enabled soft robotics that promises to greatly reduce skin ulcerations and pain in patients who have had an amputation between the ankle and knee. They started with a recent device that uses pneumatic actuators and miniaturized the actuators by designing a microfluidic chip with 10 integrated pneumatic valves to control each actuator. The control box is small and light enough to be worn as part of the prosthesis. |
| Defining plasma dose for potential future cancer treatments Posted: 28 Jun 2022 08:33 AM PDT Researchers may have found a new approach to treat cancer by using a plasma treatment to induce apoptosis, without any obvious side effect to normal cells. A plasma-activated medium (PAM) can be treated as a drug, with a dose-effect relationship. |
| Electrospinning promises major improvements in wearable technology Posted: 28 Jun 2022 08:33 AM PDT Researchers examine some of thelatest advances in wearable electronic devices and systems being developed using electrospinning -- the fabrication of nanofibers with tunable properties from a polymer base -- and showcase the many advantages electrospun materials have over conventional bulk materials. Their high surface-to-volume ratio endows them with enhanced porosity and breathability, which is important for long-term wearability, and with the appropriate blend of polymers, they can achieve superior biocompatibility. |
| Natural gas used in homes contains hazardous air pollutants Posted: 28 Jun 2022 05:32 AM PDT Every day, millions of Americans rely on natural gas to power appliances such as kitchen stoves, furnaces, and water heaters, but until now very little data existed on the chemical makeup of the gas once it reaches consumers. |
| Humans in the loop help robots find their way Posted: 27 Jun 2022 03:55 PM PDT Computer scientists develop a method that allows humans to help complex robots build efficient solutions to 'see' their environments and carry out tasks. |
| Reaction insights help make sustainable liquid fuels Posted: 27 Jun 2022 09:49 AM PDT Methanol made from CO2 in the air can be transformed into carbon neutral fuels. A new mechanistic understanding aids development of this sustainable alternative. |
| Researchers determine 1st crystal structure of LAG3 Posted: 27 Jun 2022 09:49 AM PDT Researchers have now visualized the molecular structure of the LAG3 protein. They describe the crystal structure of LAG3 and how it interacts with molecules produced by cancer cells. |
| New approach reduces EV battery testing time by 75% Posted: 27 Jun 2022 07:03 AM PDT Testing the longevity of new electric vehicle battery designs could be four times faster with a streamlined approach, researchers have shown. |
| Novel metalens revolutionize conventional Vacuum UV optics technology Posted: 27 Jun 2022 07:02 AM PDT Engineers have successfully developed a novel Vacuum Ultra-Violet (VUV) meta-lens which can generate and focus the VUV light, a disruptive technology for the UV optics market. |
| Thin-film photovoltaic technology combines efficiency and versatility Posted: 27 Jun 2022 07:02 AM PDT Stacking solar cells increases their efficiency. Researchers have now produced perovskite/CIS tandem solar cells with an efficiency of nearly 25 percent -- the highest value achieved thus far with this technology. Moreover, this combination of materials is light and versatile, making it possible to envision the use of these tandem solar cells in vehicles, portable equipment, and devices that can be folded or rolled up. |
| Supernumerary virtual robotic arms can feel like part of our body Posted: 27 Jun 2022 07:02 AM PDT Researchers have developed a virtual robotic limb system which can be operated by users' feet in a virtual environment as extra, or supernumerary, limbs. After training, users reported feeling like the virtual robotic arms had become part of their own body. This study focused on the perceptual changes of the participants, understanding of which can contribute to designing real physical robotic supernumerary limb systems that people can use naturally and freely just like our own bodies. |
| A rethink of the building blocks for solar panels could help mass production Posted: 27 Jun 2022 07:01 AM PDT An original approach to mass-producing low-cost solar cell foundation blocks could lead to the wide adoption of solar panels made from perovskite ink -- a 'miracle material' -- according to new research. |
| Topology and machine learning reveal hidden relationship in amorphous silicon Posted: 24 Jun 2022 07:51 AM PDT Fine-tuning the thermal conductivity of amorphous silicon used in technologies such as solar cells and image sensors should become much easier thanks to the computational topology and machine-learning-assisted discovery of the relationship between nano-scale structures and physical properties. |
| From outside to inside: A rapid and precise total assessment method for cells Posted: 24 Jun 2022 07:51 AM PDT Researchers have demonstrated an improved version of impedance cytometry that uses four frequencies of applied AC voltage to measure the size and shape of individual microorganisms. By ensuring that the voltages penetrated the cell membrane, this approach can more accurately monitor biological processes. |
| Offshore wind farms expected to reduce clam fishery revenue, study finds Posted: 23 Jun 2022 12:36 PM PDT An important East Coast shellfish industry is projected to suffer revenue losses as offshore wind energy develops along the U.S. Northeast and Mid-Atlantic coasts, according to two recent studies. |
| New tool brings missing sense of touch to minimally-invasive surgery procedures Posted: 23 Jun 2022 11:05 AM PDT Researchers have developed a simple, yet effective approach for on-demand tactile sensing in minimally-invasive surgery, overcoming a key limitation -- the inability of surgeons to 'feel' tissues during an operation. The researchers successfully tested the efficacy of their new tool, which uses off-the-shelf sensors integrated into a laparoscopic grasper, with the assistance of surgeons. |
| New PET-like plastic made directly from waste biomass Posted: 23 Jun 2022 08:09 AM PDT Scientists have developed a new, PET-like plastic that is easily made from the non-edible parts of plants. The plastic is tough, heat-resistant, and a good barrier to gases like oxygen, making it a promising candidate for food packaging. Due to its structure, the new plastic can also be chemically recycled and degrade back to harmless sugars in the environment. |
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