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ScienceDaily: Computers & Math News |
| A new model for group decision-making shows how 'followers' can influence the outcome Posted: 26 Aug 2021 02:02 PM PDT From small committees to national elections, group decision-making can be complicated -- and it may not always settle on the best choice. That's partly because some members of the group do research on their own, and others take their cues from the people around them. A new mathematical framework predicts that decision-making groups have a critical threshold of people who get their information from others. Below that threshold, the group chooses the high-quality outcome. Above it, the group can end up choosing the better or worse option. |
| Ultrafast electron microscopy leads to pivotal discovery Posted: 26 Aug 2021 02:02 PM PDT Researchers used ultrafast electron microscopy to study a nanoscale phenomenon that occurs in less than a few hundred quadrillionths of a second. Insights from the study could aid in the development of new sensors and quantum devices. |
| Digitally removing clouds from aerial images using machine learning Posted: 26 Aug 2021 08:17 AM PDT Researchers employed generative adversarial networks to more accurately construct datasets for aerial images of building that are obscured by clouds. This work may lead to improved image recognition algorithms. |
| Scientists develop an energy harvesting technology based on ferromagnetic resonance Posted: 24 Aug 2021 07:41 AM PDT Researchers have succeeded in storing electricity with the voltage generated from ferromagnetic resonance (FMR) using a nanometer-thin magnetic film. Exploring the storage characteristics of the commonly used iron-cobalt and iron-nickel alloy thin films, they found that by controlling the thermal conditions of the thin film to be within FMR excitation range, energy can be stored by all the electromagnetic waves that surround us -- including Wi-Fi. |
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