How Factors of Production Are Key to Economic Growth

Economic growth is the increase in the production of goods and services over a period of time and is dependent on the factors of production. The four factors of production are land, labor, capital, ...
Plant Services

Using crest factor analysis for early failure detection of progressive cavity pumps

In my 19 years of experience with vibration analysis in refinery and chemical plants and 15 years in the oil and gas sector, I have set up, managed, or supervised numerous vibration programs for ...
IEEE

A Closed-Loop Using Sampled-Data Controller for a New Nonisolated High-Gain DC–DC Converter

Abstract: This article tries closed-loop using a sampled-data (SD) controller for a new nonisolated dc–dc converter to maintain the constant voltage. The developed nonisolated converter attains a ...
Pew Research Center

Confidence in Trump Dips, and Fewer Now Say They Support His Policies and Plans

U.S. President Donald Trump speaks to reporters outside the White House in Washington, D.C., on Jan. 27, 2026. (Kyle Mazza/Anadolu via Getty Images) About this research This Pew Research Center report ...
IEEE

Factor Graph Optimization-Based Smartphone IMU-Only Indoor SLAM With Multihypothesis Turning Behavior Loop Closures

Abstract: Pedestrian dead reckoning (PDR) using smartphones is a popular method for indoor localization. However, it encounters challenges due to the drift of position errors. While external resources ...