Gas Turbines (GTs) operate at a constant volume of (hopefully) very clean air. It’s the density of this air however (weight per unit volume) that holds the key if we want to keep our Gas Turbine Power ...

During economic downturns an economy’s output of goods and services declines. When times are good, by contrast, that output—usually measured as GDP—increases (see “Gross Domestic Product: An Economy’s ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Erika Rasure is globally-recognized as a ...

Central banks use tools such as interest rates to adjust the supply of money to keep the economy humming Monetary policy has lived under many guises. But however it may appear, it generally boils down ...

Monthly construction output is estimated to have fallen by 1.3% in November 2025; this follows a downwardly revised decrease of 1.2% in October 2025 and a 0.3% increase in September 2025. The decrease ...

Industry has an allure all of its own. “From manufacturing you may expect the two greatest ills of humanity, superstition and slavery, to be healed,” wrote Ferdinando Galiani, an Enlightenment thinker ...

Java programs without a graphical user interface use a computer's command line to interact with the user. It is vital that the program's command line output is properly formatted and spaced so that it ...