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ScienceDaily: Top Technology News |
| A breakthrough astrophysics code rapidly models stellar collisions Posted: 23 Apr 2021 01:28 PM PDT A new breakthrough astrophysics code, named Octo-Tiger, simulates the evolution of self-gravitating and rotating systems of arbitrary geometry using adaptive mesh refinement and a new method to parallelize the code to achieve superior speeds. This new code to model stellar collisions is more expeditious than the established code used for numerical simulations. |
| High school junior's consumer seismometer delivers low-cost earthquake early warning Posted: 23 Apr 2021 10:02 AM PDT A Southern California high school junior has built a low-cost seismometer device that delivers earthquake early warnings for homes and businesses. Costing less than $100 for her to make today, the seismometer could someday be a regular household safety device akin to a smart smoke detector. |
| Fiber optic cable monitors microseismicity in Antarctica Posted: 23 Apr 2021 10:02 AM PDT Researchers shared how they are using fiber optic cable to detect the small earthquakes that occur in ice in Antarctica. |
| DeepShake uses machine learning to rapidly estimate earthquake shaking intensity Posted: 23 Apr 2021 10:02 AM PDT A deep spatiotemporal neural network trained on more than 36,000 earthquakes offers a new way of quickly predicting ground shaking intensity once an earthquake is underway, researchers report. |
| Ankle exoskeleton enables faster walking Posted: 23 Apr 2021 06:54 AM PDT In lab tests, researchers found that an optimized ankle exoskeleton system increased participants' walking speed by about 40 percent compared with their regular speed. The researchers hope someday to help restore walking speed in older adults. |
| Radar satellites can better protect against bushfires and floods Posted: 23 Apr 2021 05:57 AM PDT New research has revealed how radar satellites can improve the ability to detect, monitor, prepare for and withstand natural disasters in Australia including bushfires, floods and earthquakes. |
| Quantum steering for more precise measurements Posted: 23 Apr 2021 05:57 AM PDT Quantum systems consisting of several particles can be used to measure magnetic or electric fields more precisely. A young physicist has now proposed a new scheme for such measurements that uses a particular kind of correlation between quantum particles. |
| Study paves the way for new photosensitive materials Posted: 22 Apr 2021 03:19 PM PDT Scientists are investigating the molecular dynamics of titania clusters. Such research is a basic step toward the development of more efficient photocatalysts. |
| Silver ions hurry up, then wait as they disperse Posted: 22 Apr 2021 03:18 PM PDT Chemists quantify the release mechanism of silver ions from gold-silver nanoparticle alloys. The nanoparticles are being studied for use as catalyst in hydrogen evolution and other applications. |
| Machine learning model generates realistic seismic waveforms Posted: 22 Apr 2021 03:18 PM PDT A new machine-learning model that generates realistic seismic waveforms will reduce manual labor and improve earthquake detection, according to a new study. |
| Genetic effects of Chernobyl radiation Posted: 22 Apr 2021 12:04 PM PDT Researchers utilized genomic tools to investigate potential health effects of exposure to ionizing radiation, a known carcinogen, as a result of the 1986 Chernobyl accident. One study found no evidence that genetic changes associated with radiation exposure are passed to children, while the second study documented the genetic changes in the tumors of people who developed thyroid cancer after being exposed as children or fetuses to the radiation released by the accident. Findings are being published close to the 35th anniversary of the Chernobyl disaster. |
| Scientists uncover structure of light-driven enzyme with potential biofuel applications Posted: 22 Apr 2021 12:04 PM PDT Although many organisms capture and respond to sunlight, enzymes - proteins that catalyze biochemical reactions - are rarely driven by light. A new study captures the full cycle of complex structural changes in an enzyme called FAP as it transforms a fatty acid into alkanes or alkenes. |
| 3D printed models provide clearer understanding of ground motion Posted: 22 Apr 2021 09:36 AM PDT It seems like a smooth slab of stainless steel, but look a little closer, and you'll see a simplified cross-section of the Los Angeles sedimentary basin. Researchers are printing 3D models like the metal Los Angeles proxy to provide a novel platform for seismic experiments. |
| SMART breakthrough in materials discovery enables 'twistronics' for bulk systems Posted: 22 Apr 2021 07:28 AM PDT Researchers have discovered a new way to control light emission from materials. While recent discoveries focused on manipulation of atomically-thin 2D materials, the new breakthrough can be used to stack technologically-relevant 3D materials at a twist angle. The discovery can be significant for applications in medicine, environmental or information technologies. |
| Scientists glimpse signs of a puzzling state of matter in a superconductor Posted: 22 Apr 2021 06:39 AM PDT High-temperature superconductors are famous for conducting electricity with no loss, but no one knows how they do it. Now scientists have observed the signature of an exotic state of matter called 'pair density waves' in a cuprate superconductor and confirmed that it intertwines with another exotic state -- a step toward understanding how these materials work. |
| Posted: 21 Apr 2021 01:00 PM PDT It's a common sight: pelicans gliding along the waves, right by the shore. These birds make this kind of surfing look effortless, but actually the physics involved that give them a big boost are not simple. Researchers have recently developed a theoretical model that describes how the ocean, the wind and the birds in flight interact. |
| Beyond space-age tech: Hybrid material moves next-generation transport fuel cells closer Posted: 21 Apr 2021 06:38 AM PDT Protons are the next big thing when it comes to fuel cell technology. The subatomic exchange produces power on a scale that challenges contemporary solid-state fuel cell technology, used to help power space shuttles. To realize the proton-based technology sooner, an international team of researchers have developed a hybrid material that effectively transports protons at high temperatures and humidity -- two major challenges in past attempts. |
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