Section 1. Background. In 2017, my Administration pursued trade and economic policies that put the American economy, the American worker, and our national security first. This spurred an American ...

Discover what quartiles are in statistics, how to calculate them, and see examples to help you interpret data more effectively. Learn about lower, median, and upper quartiles.

In this paper, a fourth-order sparse array design scheme from the sum-difference co-array perspective is proposed, which can be generated by two arbitrary arrays called generator arrays. Once the two ...

Inventory management is the process of ordering, storing, using, and selling a company's inventory, including raw materials, components, and finished products. Learn about the different methods of ...

Diplomats from Britain, France, and Germany failed to reach an agreement with Iran on forestalling U.N. sanctions targeting Iran's nuclear program. The disagreement raises concerns about Iran's ...

Laws determining candidate order on ballots States have laws and regulations that determine the order in which candidates appear on the ballot in primary and general elections. As of August 2025, 13 ...

We experimentally demonstrate that using higher order spatial modes can effectively improve the field of view and receiving efficiency of an optical phased array receiver.