Beloved in Finland, Helene Schjerfbeck is just becoming hot in Manhattan, where a show of paintings at the Met Museum is likely to leave you awe-struck. By Deborah Solomon As church bells chime and ...

PDF files have become ubiquitous in our multi-platform world. This convenient file format makes it possible to view and share documents across various devices using various operating systems and ...

We put the best PDF editors to the test to find the top software, apps, and online services for creating, altering, and collaborating on documents. We've been testing PDF editors for over ten years ...

Protein design (or protein engineering) is a technique by which proteins with enhanced or novel functional properties are created. Proteins can be engineered by rational design, which typically uses ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Abstract: With the increasing presence of power electronics, stability issues in modern power systems are on the rise. The positive-mode-damping (PMD) stability criterion was recently introduced as a ...

Abstract: This article proposes the use of a proportional–integral–derivative (PID) controller as an adaptive mechanism within the framework of the model reference adaptive system-based rotor flux ...

With the rapid advancement of electronic devices, digitally controlled converters have become increasingly essential in various applications. Buck DC-DC converters, known for their high-efficiency ...