After more than a decade of working toward and waiting for a virtual air traffic control tower to get off the ground, the Northern Colorado Regional Airport is officially getting off that ride. And ...

Once top-secret CIA files have detailed America's plans to control the world by manipulating the weather. The documents, declassified in 2003, discussed the controversial topic of weather modification ...

As the United States nears its 250th anniversary, a battle for the soul of US history is unfolding. Last year, reports surfaced of the National Park Service scrubbing exhibits on Harriet Tubman and ...

As global warming accelerates, what would it take to reclaim our future? Malcolm Harris describes the obstacles to moving beyond fossil fuels — not just from elites, but also from below. He lays out ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. David Kindness is a Certified Public ...

Abstract: This paper develops a dynamic self-triggered prescribed-time optimal tracking control scheme for helicopters by employing adaptive dynamic programming (ADP ...