Audio signal processing has experienced considerable advancements over recent decades, evolving from basic analogue filtering approaches to sophisticated digital methodologies. A central focus of ...

Chilling cockpit audio and dashcam footage sheds new light on the moments former Alaska Airlines pilot Joseph Emerson attempted to bring down a commercial flight with 84 people on board by shutting ...

Billionaire Nation is a Washington Post series examining how the wealthiest have amassed unprecedented political power. BALA CYNWYD, Pennsylvania — Three years ago, billionaire Jeff Yass’s political ...

Elysse Bell is a finance and business writer for Investopedia. She writes about small business, personal finance, technology, and more. Erika Rasure is globally-recognized as a leading consumer ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Khadija Khartit is a strategy, investment, and funding expert, and an educator of fintech and strategic finance ...