If you want to enlarge one of these images, you can just click on the thumbnail and a larger image will appear. In the seventeenth century, for the first time, artists had a device, called the ...

Over the past week, a series of pantograph-related issues have forced the MBTA to halt service on part of the Green Line. A pantograph is the flexible, angled arm on the top of the trolley that ...

High-speed railway systems are at the forefront of modern transportation, yet they present complex technical challenges, notably in the realm of electromagnetic interference (EMI) and pantograph ...