Finishing AP Computer Science Principles is a major milestone, but the leap from block-based coding to real-world JavaScript can feel daunting. Fortunately, the landscape has evolved: Code.org has ...

Abstract: The recent introduction of high-resolution and high-speed PET/CT is making noninvasive absolute quantification of physiological function more convenient and feasible. A key issue for ...

Abstract: Frequency diverse array (FDA) radar has been studied by many researchers due to the range-angle dependent beampattern which is different from the conventional phased array radar. However, ...