This video breaks down how resistors work and why they’re one of the most essential components in every electronic device.

The Federal Railroad Administration granted the transit authority an extension to finish its safety review of the Silverliner IV trains, introduced in the 1970s. SEPTA now has until Nov. 14 to wrap ...

The FRA on Friday extended the deadline for SEPTA to fully inspect its Silverliner IV railcars until Friday, Nov. 14.

October brings ghosts, goblins and, if you’re not careful, a few monsters lurking right inside your plating tanks. They won’t ...