Beyond the cancellations that SEPTA riders have been faced with since the start of the week, on Thursday morning commuters across the city saw additional delays as "signal issues" led to a slowdown ...

Experienced designers of 10 Gbits/sec (10G) Ethernet, SONET/OTN, Infiniband (QDR/FDR), and Fibre channel (16/8GFC) products are well aware that the maintenance of signal quality is far more difficult ...

While the MBTA was expected to complete work to remove slow zones on the Green Line on Friday, Red Line commuters were not so lucky. Red Line trains were delayed throughout the day due to a signal ...

McGill and Queen's University researchers have built an improved version of a computer that uses light to solve extremely hard problems more quickly ...