Abstract: Virtual synchronous machine (VSM) control is commonly used to control power converters in islanded microgrids (MGs). Frequently, the dynamic model of the MG is unknown and, therefore, the ...

Abstract: Brain-computer interface (BCI) can be an alternative to speech production for people with disabilities. More recently, a non-invasive optical technique called functional near-infrared ...

The maze of unlit streets and lack of traffic cameras in Nancy Guthrie’s remote Arizona neighborhood would have made it easier for her abductor to take her away in a car and avoid surveillance, a ...

Add Yahoo as a preferred source to see more of our stories on Google. A study in April 2025 theorized Norway spruce trees sensed and prepared for a partial solar eclipse in October 2022. In April 2025 ...

The advisory highlights significant breakdowns in local infrastructure and communications. "Increased security measures, road closures, public transportation disruptions and internet blockages are ...

For generations, farmers have spent backbreaking hours tearing down and rebuilding fences just to move livestock to fresh grazing fields. Now, thanks to a groundbreaking project at the University of ...