Engineering
How 3D printing offers the additive advantage
It is reshaping manufacturing and finding wider use.
The soft robo-touch
With lessons from vines and jellyfish — and aided by 3D printing — scientists are making shape-shifting advances in soft robotics.
Stemming the rot
Why America's economic orientation may be inefficient.
These buildings are self-sufficient
Entrepreneurs are looking to make buildings produce water, generate energy and treat waste.
The great makeover
New techniques and materials are transforming the technologically conservative construction industry.
