CAMBRIDGE, U.K. – A small Microsoft Research team had lofty goals when it set out four years ago to create an analog optical computer that would use light as a medium for solving complex problems.

BART trains didn't run for seven hours because of a computer equipment problem. This is the fourth major BART outage issue since May. Commuters were left to find alternative modes of transportation ...

BART trains did not run for nearly seven hours on Friday morning because of a computer problem, the latest blow to an agency beleaguered by aging equipment. 20,388 people played the daily Crossword ...

All BART stations reopened for service late Friday morning after a computer problem shut down train service systemwide for hours, according to the transit agency. Starting at 4:30 a.m., issues arose ...

Microsoft's CEO, Satya Nadella, announced a breakthrough in optical computing, published in Nature. The analog optical computer, developed by Microsoft Research, uses light for calculations instead of ...

SAN FRANCISCO (KGO) -- Full BART service is expected to resume after a nearly seven-hour systemwide shutdown halted trains Friday morning due to a computer equipment problem. The transit agency says ...

Another chaotic day of travel for BART commuters caused by a computer equipment issue extended nearly into Friday afternoon before the transit agency resumed full service following a full-system ...

Another chaotic day of travel for BART commuters caused by a computer equipment issue extended nearly into Friday afternoon before the transit agency resumed full service following a full-system ...

BART trains weren't running because of a computer equipment problem. This is the fourth major BART outage issue since May. Commuters were left fo find alternative odes of transportation OAKLAND, Calif ...