通向未来之桥(女声版)

Bridge to the Future Engineering students at West Virginia's 5-year-old Constructed Facilities Center are testing a new patch, a so-called bridge Band-Aid.

So easy to apply, they claim, it can be used to repair bridges without having to divert traffic. It's part of their mission to develop new and improved building materials and construction techniques.

Many of the materials they're testing are called composites -combinations of plastics, fiber glass or space-age carbon materials - that one day might even be used to build an entire bridge.