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ScienceDaily: Matter & Energy News |
A torque on conventional magnetic wisdom Posted: 22 Jul 2019 10:25 AM PDT Physicists have observed a magnetic phenomenon called the 'anomalous spin-orbit torque' (ASOT) for the first time. Scientists have made this observation, demonstrating that there exists competition between what is known as spin-orbit coupling and the alignment of an electron spin to the magnetization. |
Search for new semiconductors heats up with gallium oxide Posted: 22 Jul 2019 10:24 AM PDT Electrical engineers have cleared another hurdle in high-power semiconductor fabrication by adding the field's hottest material -- beta-gallium oxide -- to their arsenal. Beta-gallium oxide is readily available and promises to convert power faster and more efficiently than today's leading semiconductor materials -- gallium nitride and silicon, the researchers said. |
Lots of lead in the water? Maybe manganese is to blame Posted: 22 Jul 2019 08:59 AM PDT In the right environment, a harmless mineral can do a lot to change the composition of the drinking water that flows through lead pipes. New research discovers how. |
Airborne lidar system poised to improve accuracy of climate change models Posted: 22 Jul 2019 08:59 AM PDT Researchers have developed a laser-based system that can be used for airborne measurement of important atmospheric gases with unprecedented accuracy and resolution. The ability to collect this data will help scientists better understand how these atmospheric gases affect the climate and could help improve climate change predictions. |
New mechanism moving droplets at record-high speed and long distance without extra power Posted: 22 Jul 2019 08:19 AM PDT A research team has recently devised a novel mechanism to transport droplets at record-high velocity and distance without extra energy input, and droplets can be moved upward along a vertical surface, which has never been achieved before. The new strategy to control droplet motion can open up new potential in applications in microfluidic devices, bio-analytical devices and beyond. |
Posted: 22 Jul 2019 08:19 AM PDT Showcasing precise control at the quantum level, physicists have developed a method for making an ion (electrically charged atom) display exact quantities of quantum-level motion -- any specific amount up to 100 packets of energy or 'quanta,' more than five times the previous record high of 17. |
Living components: Programmable structural dynamics successful in self-organizing fiber structures Posted: 22 Jul 2019 07:59 AM PDT Scientists have succeeded in programming the dynamics of structures in an artificial chemical system on the basis of DNA components. |
When you spot 1 driving hazard, you may be missing another Posted: 22 Jul 2019 07:33 AM PDT When people notice one traffic hazard, they are less likely to see a simultaneous second hazard, according to new research. The finding has potential applications for both driver training and the development of automated, in-vehicle safety technologies. |
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