分類彙整: noise

Drivers May Be Able to Choose ‘Quiet Vehicle’ Alert Sound

NHTSA proposed allowing automakers to offer a variety of sound choices for electric vehicles to choose from to alert pedestrians (via Vlad Tchompalov/Unsplash)

One of the perks of driving an electric vehicle is the peace and quiet. But the absence of noise and vibration from an internal combustion engine also poses a danger to blind, elderly, […]

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分類: alert, electric vehicle, ev, IT 資訊科技(信息技术), national highway traffic safety administration, news, nhtsa, noise, quiet car, sound, Tech, 熱門新聞 | 標籤: , , , , , , , , , , , , , , , , , , , , , , , , , , | 在〈Drivers May Be Able to Choose ‘Quiet Vehicle’ Alert Sound〉中留言功能已關閉

New Noise-Blocking Material Could Drown Out Drones

Though less publicized than its notorious air and water counterparts, noise pollution is a growing problem. And while modern sound-mitigating barriers may help drown out the whir of rush-hour traffic or contain the […]

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分類: Boston University, IT 資訊科技(信息技术), metamaterial, news, noise, noise-blocking, sound, sound barrier, Tech, 熱門新聞 | 標籤: , , , , , , , , , , , , , , , , , , , , , , , , , , | 在〈New Noise-Blocking Material Could Drown Out Drones〉中留言功能已關閉