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ScienceDaily: Matter & Energy News |
| Risky driving behaviors increase as common sleep disorder worsens Posted: 20 Apr 2022 02:05 PM PDT Up to half of older adults may have sleep apnea, a condition in which breathing and sleep are briefly interrupted many times a night. A new study shows that this chronic tiredness can have serious implications for road safety. |
| Molecular robots work cooperatively in swarms Posted: 20 Apr 2022 12:14 PM PDT Scientists have demonstrated that molecular robots are able to accomplish cargo delivery by employing a strategy of swarming, achieving a transport efficiency five times greater than that of single robots. |
| Portable MRIs almost as effective as standard MRIs in detecting strokes Posted: 20 Apr 2022 12:13 PM PDT Portable MRI machines, an emerging technology that makes medical imaging accessible even in remote locations, detected ischemic strokes, or strokes caused by clotting, in 90% of patients scanned, according to a new study. |
| Lasers trigger magnetism in atomically thin quantum materials Posted: 20 Apr 2022 10:36 AM PDT Researchers have discovered that light -- from a laser -- can trigger a form of magnetism in a normally nonmagnetic material. This magnetism centers on the behavior of electrons 'spins,' which have a potential applications in quantum computing. Scientists discovered that electrons within the material became oriented in the same direction when illuminated by photons from a laser. By controlling and aligning electron spins at this level of detail and accuracy, this platform could have applications in the field of quantum simulation. |
| Arm movement and running speed: Is the partnership overrated? Posted: 20 Apr 2022 10:35 AM PDT New research into human speed suggests that athletes who performed short sprints with their arms closed across their chests were nearly as fast as when they sprinted with their normal arm swing. |
| Everyday plastic products release trillions of microscopic particles into water Posted: 20 Apr 2022 10:35 AM PDT Plastics surround us, whether it's the grocery bags we use at the supermarket or household items such as shampoo and detergent bottles. Plastics don't exist only as large objects, but also as microscopic particles that are released from these larger products. These microscopic plastics can end up in the environment, and they can be ingested into our bodies. |
| New technology 3D-prints glass microstructures with rays of light Posted: 20 Apr 2022 10:35 AM PDT Researchers have developed a new way to 3D-print glass microstructures that is faster and produces objects with higher optical quality, design flexibility and strength. |
| Nanostructures with improved stability for the development of more effective cancer nanomedicine Posted: 20 Apr 2022 06:21 AM PDT Most drugs used today have only one mechanism of action and it is both difficult and expensive to manufacture drugs with multiple functions. Researchers have recently found a way to create more stable nanostructures that can assemble biomolecules with different functions, which in combination e.g., can provide more effective cancer medicine. |
| Portable, point-of-care COVID-19 test discerns alpha variant from earlier strains Posted: 19 Apr 2022 10:09 AM PDT A point-of-care COVID-19 test developed by researchers can now detect and differentiate the alpha variant of the SARS-CoV-2 virus from earlier strains in saliva samples. |
| Engineers introduce the Oreometer Posted: 19 Apr 2022 09:40 AM PDT Engineers subjected Oreo cookies to rigorous materials tests to get to the center of a tantalizing question: Why does the cookie's cream stick to just one wafer when twisted apart? |
| Most vital strategies for successfully implementing changes in industry Posted: 19 Apr 2022 08:24 AM PDT Researchers have conducted a study in which they studied change initiatives at more than 600 architecture, engineering and construction firms in North America. They found those that were very successful and sustainable used six key strategies, and that effective change agents and a realistic timeline were vital to making an initiative a lasting success. |
| New process enables 3D printing of small and complex components made of glass in just a few minutes Posted: 19 Apr 2022 08:24 AM PDT Scientists combine materials science invention with newly developed 3D printing technology. Components made of highly transparent glass can be manufactured in just a few minutes and with great geometric freedom. Possible applications of the new process technology are micro-optical components of sensors, microscopes or lab-on-a-chip systems |
| Wearables can track COVID symptoms, other diseases Posted: 19 Apr 2022 08:24 AM PDT If you become ill with COVID-19, your smartwatch can track the progression of your symptoms, and could even show how sick you become. |
| Almost ready for prime time: Deep UV photodetectors head to real-world testing Posted: 19 Apr 2022 08:24 AM PDT Researchers are asking why, after decades of development and promising results, ultrawide bandgap photodetectors with deep UV capabilities haven't enjoyed widespread adoption, and are taking stock of advancements and challenges in the field. Unlike their silicon-based counterparts, UWBG photodetectors made from aluminum gallium nitride and gallium (III) oxide are more efficient, can tailor cutoff wavelengths, and do not need optical filters to reject visible or infrared wavelengths for solar-blind applications. |
| Nanoparticles prove effective against the yellow fever mosquito Posted: 19 Apr 2022 07:32 AM PDT Before being accidentally introduced to the New World by the 16th century slave trade, the yellow fever mosquito was a species native only to Africa. Highly adaptable, it has since become an invasive species in North America, but researchers at may have found a way to squash the pesky population in its juvenile stages. |
| Particles released by red blood cells are effective carriers for anti-cancer immunotherapy Posted: 19 Apr 2022 07:32 AM PDT A study has demonstrated that nano-sized vesicles released by red blood cells are a viable platform for delivering immunotherapeutic RNA molecules to suppress breast cancer growth and metastasis. The study successfully delivered RIG-I-activating RNAs using small, lipid membrane-bound particles released by red blood cells, called red blood cell extracellular vesicles (RBCEVs), to suppress cancer progression. The team had also discovered in earlier studies that these vesicles are ideal therapeutic carriers with a natural ability to deliver bioactive molecules to many cell types. |
| Phase transitions in the early universe and their signals Posted: 19 Apr 2022 07:32 AM PDT The early universe may chirp about unknown physics. A research team has demonstrated how an early universe phase transition will lead to gravitational wave signals potentially visible in the upcoming satellite missions. |
| Researchers take step toward developing 'electric eye' Posted: 19 Apr 2022 06:23 AM PDT Using nanotechnology, scientists have created a newly designed neuromorphic electronic device that endows microrobotics with colorful vision. The newly designed artificial vision device could have far-reaching applications for the fields of medicine, artificial intelligence, and microrobotics. |
| Guiding a superconducting future with graphene quantum magic Posted: 19 Apr 2022 06:23 AM PDT Superconductors are materials that conduct electrical current with practically no electrical resistance at all. This ability makes them extremely interesting and attractive for a plethora of applications such as loss-less power cables, electric motors and generators, as well as powerful electromagnets that can be used for MRI imaging and for magnetic levitating trains. Now, researchers have detailed the superconducting nature of a new class of superconducting material, magic-angle twisted bilayer graphene. |
| Posted: 18 Apr 2022 01:49 PM PDT Engineers have developed a new way to 3D-print liquid and solid materials together, potentially leading to more dynamic and useful products -- from robots to wearable electronic devices. |
| Lithium's narrow paths limit batteries Posted: 18 Apr 2022 11:38 AM PDT Study suggests that lithium batteries would benefit from more porous electrodes with better-aligned particles that don't limit lithium distribution. |
| Nanoparticles show promise for locating, removing endometriosis lesions Posted: 18 Apr 2022 11:38 AM PDT Scientists have developed a new nanotechnology approach for locating and removing the painful and dangerous lesions associated with endometriosis, a common gynecological condition in women of childbearing age. |
| Bacterial soundtracks revealed by graphene membrane Posted: 18 Apr 2022 09:04 AM PDT Have you ever wondered if bacteria make distinctive sounds? If we could listen to bacteria, we would be able to know whether they are alive or not. When bacteria are killed using an antibiotic, those sounds would stop -- unless of course the bacteria are resistant to the antibiotic. This is exactly what a team of researchers have now have managed to do: they captured low-level noise of a single bacterium using graphene. |
| Recipe for valuable chemical improved Posted: 18 Apr 2022 09:04 AM PDT Theorists show why salt gives a significant speed boost to valuable 2D molybdenum disulfide, an effect they say may work for other 2D materials as well. |
| Extract from a common kitchen spice could be key to greener, more efficient fuel cells Posted: 18 Apr 2022 07:49 AM PDT Researchers have discovered a novel way to combine curcumin -- the substance in turmeric -- and gold nanoparticles to create an electrode that requires 100 times less energy to efficiently convert ethanol into electricity. |
| Posted: 18 Apr 2022 06:40 AM PDT Researchers developed a biomaterial using stem cells aiming to reverse a condition called intervertebral disk (IVD) degeneration, which is associated with back pain and certain spinal issues. The stem cells were induced into chondrocytes -- cells producing collagen that supports cartilage tissue. Implanting this biomaterial into a rat model of IVD degeneration brought the spinal mechanical properties back to control levels. This could be crucial for regenerative medicine to reverse this painful back problem. |
| New insights into fermentation enzyme will lower the chemical industry's carbon footprint Posted: 18 Apr 2022 06:40 AM PDT Researchers have determined the atom-by-atom structure of the fermentation enzyme phosphoketolase by cryogenic electron microscopy. They identified details that were mistakenly characterized by X-ray crystallography yet are essential for correlating enzyme structure with enzyme function. These findings will help researchers produce chemical feedstocks in an environmentally sustainable manner, and thus lower the carbon footprint of the chemical industry. |
| Tumors partially destroyed with sound don't come back Posted: 18 Apr 2022 06:39 AM PDT Noninvasive sound technology breaks down liver tumors in rats, kills cancer cells and spurs the immune system to prevent further spread -- an advance that could lead to improved cancer outcomes in humans. |
| Predicting the most stable boron nitride structure with quantum simulations Posted: 14 Apr 2022 08:08 AM PDT Despite the huge technological interest in boron nitride (BN), understanding the relative stability of its different structural phases remains a challenge owing to conflicting results from experiments and simulations. In a new study, an international research team addresses this issue with state-of-the-art quantum Monte Carlo simulation technique, demonstrating the most stable BN structure. This accurate and reliable method could lay the groundwork for future breakthroughs in the field of materials science. |
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