On Nov. 24 and 25, from 4:30 to 9:30 a.m., Sound Transit plans to test four-minute run times for 1 Line trains. Test trains displaying “Out of Service” will run alongside regular service trains. Test ...

How we test headphones at ZDNET in 2026 ...

In the wake of recent fines for motorcycle exhaust noise and the controversy of roadside testing procedures, another issue that unfairly affects riders in some states is the lack of testing stations.

July 8, 2009 – The Society of Automotive Engineers (SAE) International has produced a simple, consistent and economical sound test standard that can be used to determine whether a street bike ...

When specifying cooling equipment, engineers are faced with myriad decisions affecting performance and layout. One critical consideration is the noise emitted. As population density rises in major ...

Noise can affect sleep for better or worse. White noise machines that emit consistent noise fall squarely in the “better” category. Constant white noise, has been shown to improve sleep quality ...

Light rail is one step closer to opening in Snohomish County. Keen observers can expect to see trains testing more frequently. LYNNWOOD — Sound Transit has begun testing its new light rail extension ...

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