HII has signed a contract with Babcock International Group to build assemblies for Virginia-class submarines, like the one shown here under construction at HII's Newport News Shipbuilding.

There's a vast world of PC games that let you tackle the mundane in creative and surprisingly enjoyable ways. Build a PC, run a pizza shop, or become a bee with these strange and wondrous titles. In ...

The interplay of non-Hermitian physics and open quantum dynamics has been fruitful in ultracold atoms. Expanding on previous demonstrations of controlled dissipation, the authors demonstrate here gain ...

Dec. 31, 2025 Microplastics in rivers, lakes, and oceans aren’t just drifting debris—they’re constantly leaking invisible clouds of chemicals into the water. New research shows that sunlight drives ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Gordon Scott has been an active investor and ...

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics attempts ...

First aid refers to the immediate care given to an injured or ill person until full medical treatment is available. You might perform CPR for cardiac arrest, apply pressure to stop bleeding, or use an ...