Abstract: Perfect sliding electrical contact between pantograph and catenary can guarantee the safety and stability of locomotive. Pantograph arcing is one of the main factors of sliding electrical ...

Inside Defense, from the award-winning Inside the Pentagon family of newsletters, is the nation's best online news service for defense and aerospace professionals. We specialize in exclusive, ...

Within each content area, there are one or more tutorials. Each tutorial consists of lessons. Each lesson should be a page detailing the concept being taught, along with sample code. Lesson and page ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Git isn’t hard to learn. Moreover, with a Git GUI such as Atlassian’s Sourcetree, and a SaaS ...

Windows 11 is available for download worldwide. Microsoft has released it as a free upgrade, which means you do not need to pay to upgrade your computer to Windows 11. It is available for free ...

⚠️ This repository is archived: The content in this repository was moved to other locations. If you have issues or PR, please submit them to their new location. In this repository, we've put together ...

Want to boot your Raspberry Pi from USB instead of unreliable SD cards? If you've used a Raspberry Pi long enough, you've probably faced the… ...

Abstract: In high-speed railways, the electric current is transmitted from the power supply to the high-speed train via the pantograph mounted on the train and the catenary system erected along the ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...