Discover the top mobile app development tools for 2025, designed to accelerate app creation and improve user experience. From low-code solutions to comprehensive IDEs, find the right tools for your ...

Designing flyback transformers for switch-mode power supplies involves many calculations. A spreadsheet can make short work of this otherwise-tedious task. When you develop flyback power supplies, ...

Mode-locked lasers generate short pulses of intense coherent light. Just like a guitar string, laser cavities can support many different frequencies, or resonant modes. A train of picosecond or ...

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 ...

December 16, 2025 • Barbara Rose Johns was 16 when she led a walkout at her high school, credited with helping end school segregation. Her statue replaces Robert E. Lee's, which was removed in 2020.