Six years after their birth, terahertz quantum-cascade lasers can now deliver milliwatts or more of continuous-wave coherent radiation throughout the terahertz range — the spectral regime between ...

Sen. Rand Paul, R-Ky., joins 'Varney & Co.' to discuss the lack of information regarding the Iran war and why he voted in favor of a war powers resolution. JPMorgan CEO Jamie Dimon says excessive U.S.