Layered or hybrid optical orthogonal frequency division multiplexing (OFDM) has been proposed for use in optical communications due to its excellent spectral and power efficiencies, especially in ...

The agency announced this week that live wire testing will begin in July on the floating span of Interstate 90 that stretches ...

Crews had the fire mostly contained just before 12:30 p.m., fire rescue officials stated on social media. Pippin said according to Florida Power and Light, the incident is under investigation.

The start of summer will bring a weekend of transit challenges in Seattle as emergency repairs will shut down downtown light rail service starting Saturday. Sound Transit says to expect reduced ...

Though the price-tag problem remains unresolved, planning for West Seattle’s Sound Transit light-rail project proceeds, and the City Council’s Transportation Committee got a status report of ...

Brian Leddin inspecting the work done so far on the Foynes to Limerick rail project Leader Reporter 13 Jun 2025 1:00 PM Email: [email protected] ...

Operations of the Gyeongui-Jungang Line, a commuter rail service of the Seoul metropolitan area, were suspended or delayed Friday due to a power supply accident, its operator KORAIL said.

About 2,000 people who take test journeys on a new "very light railway" (VLR) system in Coventry will be surveyed on their views about it. The feedback will be used in a report to assist the ...

New bias circuits which provide currents to n- and p-channel differential pairs placed in parallel are introduced. The bias currents are a function of the input common mode voltage in such a way that ...