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ScienceDaily: Matter & Energy News |
| Researchers unveil a secret of stronger metals Posted: 20 May 2022 03:12 PM PDT Researchers determined exactly what happens as crystal grains in metals form during an extreme deformation process, at the tiniest scales, down to a few nanometers across. The findings could lead to better, more consistent properties in metals, such as hardness and toughness. |
| Deciphering the biosynthetic gene cluster for potent freshwater toxin Posted: 20 May 2022 11:47 AM PDT Scientists discover the enzymes responsible for the production of one of the most toxic and fast-acting neurotoxins associated with freshwater harmful algal blooms in lakes and ponds. The discovery revealed that guanitoxin-producing cyanobacteria are more prevalent than originally known in the United States, opening the possibility for new molecular diagnostic testing to better inform and protect the public from this natural freshwater toxin. |
| PFAS chemicals do not last forever Posted: 20 May 2022 11:47 AM PDT Once dubbed 'forever chemicals,' per-and polyfluoroalkyl substances, or PFAS, might be in the market for a new nickname. Adding iodide to a water treatment reactor that uses ultraviolet (UV) light and sulfite destroys up to 90% of carbon-fluorine atoms in PFAS forever chemicals in just a few hours, reports a new study led by environmental engineers. The addition of iodide accelerates the speed of the reaction up to four times, saving energy and chemicals. |
| Posted: 20 May 2022 11:46 AM PDT Unlike fictional laser swords, real laser beams do not interact with each other when they cross -- unless the beams meet within a suitable material allowing for nonlinear light-matter interaction. In such a case, wave mixing can give rise to beams with changed colors and directions. |
| Neuromorphic memory device simulates neurons and synapses Posted: 20 May 2022 10:29 AM PDT Researchers have reported a nano-sized neuromorphic memory device that emulates neurons and synapses simultaneously in a unit cell, another step toward completing the goal of neuromorphic computing designed to rigorously mimic the human brain with semiconductor devices. |
| Superconductivity and charge density waves caught intertwining at the nanoscale Posted: 20 May 2022 10:28 AM PDT Scientists discover superconductivity and charge density waves are intrinsically interconnected at the nanoscopic level, a new understanding that could help lead to the next generation of electronics and computers. |
| Earth's core: Unexpected flow behavior in liquid metals Posted: 20 May 2022 07:13 AM PDT Some metals are in liquid form, the prime example being mercury. But there are also enormous quantities of liquid metal in the Earth's core, where temperatures are so high that part of the iron is molten and undergoes complex flows. A team has now simulated a similar process in the laboratory and made a surprising discovery: Under certain circumstances, the flow of liquid metal is far more turbulent than expected -- and this has a significant impact on heat transport. |
| Satellites and drones can help save pollinators Posted: 20 May 2022 04:31 AM PDT Satellites and drones can provide key information to protect pollinators. A new study examines new ways of using these technologies to track the availability of flowers, and says this could be combined with behavioral studies to see the world through the eyes of insects. |
| Discovery of 'ghost' fossils reveals plankton resilience to past global warming events Posted: 19 May 2022 11:10 AM PDT The 'ghost' fossils are imprints of single-celled plankton called coccolithophores and their discovery is changing our understanding of how plankton in the oceans are affected by climate change. |
| Möbius band constructed solely by carbon atoms Posted: 19 May 2022 08:53 AM PDT A team has synthesized a belt-shaped molecular nanocarbon with a twisted Möbius band topology, i.e., a Möbius carbon nanobelt. |
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