How it works is, the bridge's building blocks were created using a 3D printer, which extruded a cement-based mixture in layers to built up the blocks' structure, following an exact computer-made plan.

Researchers at the University of Pennsylvania have come up with a novel design that can reduce concrete’s environmental impact.

AMHERST, Mass. (WWLP) – Researchers from UMass Amherst demonstrated a 3D printing technique, called cold spray, on a bridge in Great Barrington, which could reduce the repair cost of aging bridges and ...