The test was intended to build on a successful 12-kilometer-altitude vertical takeoff, vertical landing (VTVL) test performed in June 2024. SAST published results and footage from the June test ...

Unlike high-definition video, there’s no single universal standard for hi-res audio. In 2014, the Digital Entertainment Group, Consumer Electronics Association and The Recording Academy, together with ...

Anybody can develop high frequency hearing loss, but it becomes more common with age. Exposure to loud sounds or high frequency sounds are common causes of ear damage in younger people.

South Korea's arms procurement agency announced Tuesday that it has launched the development of the L-SAM-II, an enhanced long-range surface-to-air missile designed to improve range and altitude ...

Because 5,280 feet equals a mile, Denver is known as the Mile High City. As a result, the altitude in Denver is unlike that of other NFL cities, giving Broncos players a unique advantage in ...

(Photo by Spc. Javion Siders/U.S. Army) The Army is scouring industry for unmanned aircraft systems to launch from medium- or high-altitude platforms that would perform tasks like intelligence ...

A high-yield savings account is a federally insured account to save money for short-term goals or needs, while still earning an above-average annual percentage yield — compared to traditional ...

EVTOL is seen as a major enabler of the low-altitude economy. As a key representative of the new quality productive forces in China, the low-altitude economy was included in the government work ...

High-altitude adaptation is a remarkable example of natural selection, yet the genomic and physiological adaptation mechanisms of Ethiopian highlanders remain poorly understood compared to their ...

[Photo provided to chinadaily.com.cn] Editor's note: As a highlight of new quality productive forces, China's low-altitude economy is undergoing a transformative evolution, marked by a diverse ...