News tagged with acoustic

Christmas Carol Talk

Even without the lyrics, the tunes of some Christmas carols -- such as "Jingle Bells" or "Deck the Halls" -- sound uplifting. But the melodies of other songs like "We Three Kings" have a different, somber sound.

Dec 22, 2009
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Lasers generate underwater sound

Scientists at the Naval Research Laboratory (NRL) are developing a new technology for use in underwater acoustics. The new technology uses flashes of laser light to remotely create underwater sound. The new ...

Sep 04, 2009
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When a whistle beats a tweet

Biologists have discovered that a species of Australian pigeon has a secret way of alerting fellow birds to predators -- a "whistle" emitted by flapping wings when the bird takes off in alarm.

Sep 01, 2009
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Acoustic tweezers can position tiny objects

(PhysOrg.com) -- Manipulating tiny objects like single cells or nanosized beads often requires relatively large, unwieldy equipment, but now a system that uses sound as a tiny tweezers can be small enough ...

Aug 28, 2009
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Cooking with sound -- Score stove enters test stage

A low-cost generator with the potential to transform lives in the world's poorest communities is now being tested across the UK and in Nepal. The Score project, led by The University of Nottingham, is developing a bio-mass ...

Jul 17, 2009
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