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 ...

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 ...

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 ...

dateFeb 05, 2015 in Ecology
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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: ...

dateJan 26, 2015 in Engineering
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Acoustic levitation made simple

A team of researchers at the University of São Paulo in Brazil has developed a new levitation device that can hover a tiny object with more control than any instrument that has come before.

dateJan 05, 2015 in General Physics
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