Trains pass over all types of bridges to get where they're going, including typical steel girder and truss bridges seen all across America, trestle bridges, and even viaducts (think the Hogwarts ...

For three weeks this May, Washington's Hood Canal Bridge will go completely dark every night — no cars, no trucks, no ...

In this video I show you how a water bridge or water thread is made using high voltage. I talk about the mysteries related to the phenomenon.

The M3 amphibious bridge and ferry system deploys in just 35 minutes and can support the weight of any of the main battle tanks in Europe. The system has recently been handed over to the Swedish ...