The rocket, a reaction-propulsion device that carries all of its propellants internally, has been around for almost a millennium since its invention in China. But the twentieth-century saw a ...

In 2007, Apple launched the original iPhone, kickstarting the modern smartphone era which is now dominated by iPhone and Android devices. We've had 19 generations of iPhones so far, with the latest ...

Peter Gratton, Ph.D., is a New Orleans-based editor and professor with over 20 years of experience in investing, risk management, and public policy. Peter began covering markets at Multex (Reuters) ...