SF Bay Bridge bolts – 1,200 may need replacing

The Bay Bridge bolts fiasco just gets worse and worse. More than 1,200 giant bolts holding the new, as yet-unopened east replacement span of the San Francisco Bay Bridge in place have become brittle and may need replacing. They were…

3D printing buildings. Amsterdam leads the way

A team of architects, designers, and engineers plan to 3D print a building that will be an education center for 3D printing. Every part of the house will be 3D printed. This will be a first. 3D printing buildings may…