A battery backup for the solar-mains hybrid lamp design that supplies a constant light output regardless of available solar ...

The consortium that oversees Ottawa's LRT system and the French subcontractor that built its trains have long disagreed over a simple issue: Why did a train derail four years ago?

A cycloconverter is an electronic device that converts AC power at one frequency to AC power at another frequency ...

With a panel data of Henan Province in China from 2014 to 2021, this study examines the role and mechanism of the digital economy on the integration of advanced manufacturing and modern service ...