A silver bullet, illuminated by a late evening Sun, rifles down the barrel of the Northeast Corridor in North Philadelphia, traveling on track 3. The train is just shy of the North Philadelphia s... (more)
A late evening Amtrak Regional Express sprints through Bristol, PA, on the express track, captured by the station in a Railroad:Amtrak Locomotive:Siemens ACS-64 Location:Bristol, Pennsylvania, USA Locomotive #:AMTK 625 Train ID:Unknown Photo Date: February 03, 2020
It was British Marconi engineer Henry Joseph Round who in 1907 was first to report observation of electroluminescence from the unsymmetrical passage of current through silicon carbide (carborundum... (more)