Germany issues warning to United States amid 'deep rift' Scientists say we may have been wrong about the origin of life FBI releases new details on suspect in Nancy Guthrie alleged kidnapping US ...

Abstract: Given the ubiquity of power electronic converter (PEC) systems, they often represent the weakest link in terms of reliability within modern power and energy systems in different applications ...

Abstract: The finite resources of automated guided vehicles (AGVs) and machines in a flexible manufacturing system necessitate the integrated scheduling of production and transportation tasks to ...

Five years ago, mathematicians Dawei Chen and Quentin Gendron were trying to untangle a difficult area of algebraic geometry involving differentials, elements of calculus used to measure distance ...