The Center for American Progress is an independent nonpartisan policy institute that is dedicated to improving the lives of all Americans through bold, progressive ideas, as well as strong leadership ...

Ty Pendlebury is CNET's senior editor for TV and home audio, and author of the daily Insider newsletter. He has rigorously tested, reviewed and written about AV equipment for the company since 2006.

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 ...