The new eastern span of the Bay Bridge — which cost $7.2 billion and took nearly a decade to build — is designed to ride an earthquake, not fight it.

A Xerox scientist is developing a system of tiny, inexpensive sensors that can enable building materials to respond to changes in the environment almost instantaneously.

Researchers at UC Berkeley are developing tiny, airborne devices that can look and listen as they float.

Researchers are developing technologies that may one day make it possible for your personal computer to sense how you are feeling and to use that information to shape how it interacts with you.