Demand for power is growing fast, but hydro plants, the oldest source of clean energy, are struggling because of droughts, floods and other extreme weather linked to climate change. Drought and age ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This 1864 election poster shows ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Some of the Latest Biplanes Which Have Been Fitted with Floats in Order to Make Soaring From the Water Possible If you're enjoying this article, consider supporting our award-winning journalism by ...

TimesMachine is an exclusive benefit for home delivery and digital subscribers. About the Archive This is a digitized version of an article from The Times’s print archive, before the start of online ...

The Diagram Designer project was started in 2003 because I needed a tool to make diagrams for my masters thesis which I was workin on at that time, and I didn't like any of the free tools I could find ...

WEC WEC Energy Group, Inc.

Abstract: This paper presents a discussion of the principal control strategies for frequency control in hydro-turbines and their performance under nonlinearities. Practical considerations for the ...

Abstract: A Piping and Instrumentation Diagram (P&ID) is a type of engineering diagram that uses symbols, text, and lines to represent the components and flow of an industrial process. Although used ...

Once raw data has been collected, you need to represent it in a diagram. Two ways of doing this are to use a pie chart or frequency diagram. In a survey, 100 school students were asked to name their ...