News tagged with sound

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Shaping up our 'soundscapes' can improve our lives

We live in an increasingly noisy world. Since even low-level noise can affect quality of life, new tools to deal with noise are welcome. "Auralisation", the audio equivalent of visualisation, is now helping to model and improve ...

dateFeb 10, 2015 in Other
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Researchers reveal how hearing evolved

Lungfish and salamanders can hear, despite not having an outer ear or tympanic middle ear. These early terrestrial vertebrates were probably also able to hear 300 million years ago, as shown in a new study by Danish researchers.

dateFeb 06, 2015 in Evolution
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1, 2, 3 octopuses: Divers conduct underwater census

(AP)—To check on the health of the giant Pacific octopus population in Puget Sound, an unusual census takes place every year. Volunteer divers, enlisted by the Seattle Aquarium, take to Washington's inland waters to look ...

dateFeb 05, 2015 in Ecology
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Image: Sounding rockets launch into an aurora

The interaction of solar winds and Earth's atmosphere produces northern lights, or auroras, that dance across the night sky and mesmerize the casual observer. However, to scientists this interaction is more than a light display. ...

dateJan 28, 2015 in Space Exploration
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Weighing gas with sound and microwaves

NIST scientists have developed a novel method to rapidly and accurately calibrate gas flow meters, such as those used to measure natural gas flowing in pipelines, by applying a fundamental physical principle: When a sound ...

dateJan 26, 2015 in Engineering
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