In this Python astrophysics tutorial, I walk you through calculating the gravitational field produced by a ring of mass. Using numerical methods and Python libraries, we explore how to compute ...

The units were backed by the C.I.A. and trained to conduct missions in Afghanistan during the U.S. war in the country. By Jonathan Wolfe Elian Peltier Thomas Gibbons-Neff and Fahim Abed The man ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

The National Guard is building a “quick reaction force” (QRF) of some 23,500 troops trained in crowd control and civil disturbance that can be ready to deploy to U.S. cities by early next year, ...

Quick reaction units will become larger and receive more civil unrest training. The National Guard is planning to train as many as 500 troops per state to serve as part of a rapid-response force ...

The administration of President Donald Trump has ordered the creation of "quick reaction forces" in each state, composed of about 500 National Guard members per state, according to reports from The ...

U.S. soldiers conduct drone training at Pabrade Training Area, Lithuania. (Elena Baladelli/U.S. Army) Since 1945, the U.S. Army has been designed to defend Europe. Despite detours into ...

Arrow Electronics Inc. said its affiliates will be dropped from a US Commerce Department sanctions list, sparing the Colorado-based chip distributor’s subsidiaries from a possible ban on purchases of ...

BEIJING/SEOUL (Reuters) -China announced sanctions on Tuesday against five U.S.-linked subsidiaries of South Korean shipbuilder Hanwha Ocean amid trade tension between the world's two largest ...

The US government sanctioned more than two dozen companies in China, Turkey and the United Arab Emirates, including offshoots of a US chip firm, accusing the businesses of providing illicit support to ...

Constant Energy will use the investment to build its PV project portfolio in Thailand, including rooftop, ground-mounted and floating systems. Image: Constant Energy. Independent power producer (IPP) ...

US President Donald Trump issued an executive order on Monday establishing a “specialized unit” of the National Guard to address crime in Washington, DC and other US cities “whenever the circumstances ...