Cam Newton isn't retired. That's a detail he made very clear on his new 4th&1 podcast, with the Carolina Panthers legendary QB focused on Philip Rivers' return from retirement to play for the ...

Cam Newton thinks he should’ve gotten a call from the Colts before they signed 44-year-old Philip Rivers. / Jake Crandall/ Advertiser / USA TODAY NETWORK via Imagn Images That decision didn’t sit too ...

Nonlinear optics is the study of how intense light interacts with matter. The optical response of a material usually scales linearly with the amplitude of the electric field. At high powers, however, ...

Andrew Bloomenthal has 20+ years of editorial experience as a financial journalist and as a financial services marketing writer. Khadija Khartit is a strategy, investment, and funding expert, and an ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Charlene Rhinehart is a CPA , CFE, chair of ...