Two of the most important metrics for the performance of a single-photon detector are the detector efficiency and dark count ...

Salvage crews pull up a part of a Black Hawk helicopter near the site in the Potomac River of a mid-air collision between an American Airlines jet and a Black Hawk helicopter at Ronald Reagan ...

The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations ...

Quanta Services, Inc. has a one year low of $193.50 and a one year high of $365.88. The stock has a market cap of $52.78 billion, a PE ratio of 65.97 and a beta of 1.06.

In late 2024, Vadym Sukharevskyi, commander of Ukraine’s UAV forces, announced that Ukraine had developed the Trident laser weapon, capable of shooting down aircraft at altitudes exceeding 2 km (1.24 ...