The "quiet" supersonic aircraft developed by NASA and Lockheed Martin has completed its first flight in California. Dubbed the X-59 Quiet SuperSonic Technology Aircraft, or , it is a sleek ...

What makes a really great pair of headphones? The basic answer used to be sound quality, but modern headphones offer so much more than just audio chops. Think premium designs in on-trend colorways, ...

The AirPods Pro 3 use an Acoustic Seal Test to check the fit of ear tips, according to a new Apple support document. Apple says that the Acoustic Seal Test will ensure that you're using the proper ear ...

SEATTLE — The first Link light rail train to cross the I-90 floating bridge using its own power made history Monday night, allowing the start of a series of tests to prepare for the opening of the ...

Abstract: This presentation introduces an asymmetric metaporous treatment for sound absorption, i.e., simultaneous cancellation of reflection and transmission, in a lined duct. The treatment is 3D ...

This Saturday, August 23, San Luis Obispo County will be testing its Early Warning System Sirens. At noon, 130 emergency sirens around the county will sound at full volume for three minutes. An ...

MADISON, Wis. – Don’t be alarmed if Friday you hear all these sirens in Dane County go off at noon. It’s a backup test after the regular monthly test on Wednesday failed. “Due to a technical issue, ...

Echo Sound leads a strong cast of talented sprinters ready to battle in Saturday's prestigious Grade 1 Test at Saratoga. The Grade 1 Test at Saratoga often provides 3-year-old fillies a chance to ...

BloodHorse's assistant news editor Sean Collins takes us behind the scenes at Saratoga Race Course July 28 as Rusty Arnold trainees Echo Sound and Kilwin train for the Aug. 2 Test Stakes (G1).

HONOLULU (HawaiiNewsNow) - The monthly test of the all-hazard Statewide Outdoor Warning Siren System will sound as scheduled, officials say. The test is scheduled for Friday, Aug. 1, at 11:45 a.m.

One of only two grade 1 races restricted to 3-year-old fillies around one turn in North America, the $500,000 Test Stakes (G1) at Saratoga Race Course Aug. 2 will be exactly as the name describes.