Abstract: The utilization of Direct Current (DC) railway systems is increasingly prevalent, as it constitutes the majority of urban tram power supply systems. Despite their high efficiency, the risk ...

Abstract: Low-earth orbit (LEO) satellite networks enable communication services in areas beyond the coverage of terrestrial base stations. This system is considered a key technology for 6G ...

In a potential double whammy for holiday travelers, thousands of flights could be grounded right after Thanksgiving. CBS News New York's Noëlle Lilley reports. Pan Am Tried A Rooftop Airport Hub In ...

Forget the Hollywood sign — the newest landmark in Tinseltown is a $10 billion pile of dirt that’s about to become one of the most exclusive addresses on the planet. The massive One Beverly Hills ...

California, a state that prides itself on being the epicenter of technology, has taught an absolute masterclass in bureaucratic incompetence — scrapping a new 911 system that cost more than $450 ...

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China’s military buildup has reached what a new congressional report calls a "war footing," with hundreds of new missile silos and expanding nuclear capabilities that could erode America’s ...