WASHINGTON – A Miami pedestrian bridge that collapsed in March and killed six people had design errors, federal investigators said Thursday. The National Transportation Safety Board will ...

2001-06-05 04:00:00 PDT Berkeley-- Bending steel groaned, crumbling concrete rumbled and heavy bolts snapped with loud cracks like gunfire at the UC Berkeley yesterday as engineers successfully ...

The result is a lightweight yet durable design. Despite only weighing about 55 pounds, the shield can effectively stop bullets fired from most handguns, including a .44 Magnum.