Search results for acoustic communication
Singing in the rainforest: Public vs. private signaling by a tropical rainforest bird
Biology /
Feb 13, 2008 |
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According to the Chinese proverb, a bird sings because it has a song, not because it has an answer. A team of French and Brazilian researchers, however, may have the answer as to how the song of Brazilian white-browed warbler ...
New research suggests changes in underwater data communications
Oct 14, 2008 |
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An NJIT professor, who has discovered new communication channels in underwater environments and invented a technique to communicate data through these channels, will be honored later this month by the New Jersey Inventors ...
Undersea WiFi can be made faster, says researcher
Sep 03, 2007 |
4 / 5 (20) |
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As the United States and Canada take their first step toward establishing a cabled ocean observatory, a University of Missouri-Rolla researcher is trying to improve the speed of wireless underwater communication.
Guam rhino beetles got rhythm
Apr 14, 2009 |
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In May 2008 the island of Guam became a living laboratory for scientists as they attached acoustic equipment to coconut trees in order to listen for rhinoceros beetles. A grant from USDA IPM allowed Richard Mankin, a recognized ...
First acoustic metamaterial 'superlens' created
Jun 24, 2009 |
4.4 / 5 (13) |
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A team of researchers at the University of Illinois has created the world's first acoustic "superlens," an innovation that could have practical implications for high-resolution ultrasound imaging, non-destructive ...
Researchers study acoustic communication in deep-sea fish
Biology /
Sep 24, 2008 |
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An international research team studying sound production in deep-sea fishes has found that cusk-eels use several sets of muscles to produce sound that plays a prominent role in male mating calls.
Lasers generate underwater sound
Sep 04, 2009 |
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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 ...
Male owls pitch their hoots to advertise body weight to competitors
Biology /
Apr 03, 2007 |
4 / 5 (1) |
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Why do male owls hoot? Researchers from the Centre d'Études Biologiques de Chizé (France) and the University of Sussex (UK) have studied the vocal communication of male European Scops owls, one of the smallest living species ...
How male owls pitch their wits to show who’s who
Biology /
Apr 13, 2007 |
4 / 5 (7) |
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A male owl's hoot may not be all it seems to rivals when it comes to defending valuable territory, new research has revealed.
Visualizing atomic-scale acoustic wavesin nanostructures
Jul 03, 2008 |
4.5 / 5 (13) |
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Acoustic waves play many everyday roles - from communication between people to ultrasound imaging. Now the highest frequency acoustic waves in materials, with nearly atomic-scale wavelengths, promise to be ...
Shifting sound to light may lead to better computer chips
Mar 16, 2009 |
4 / 5 (4) |
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By reversing a process that converts electrical signals into sounds heard out of a cell phone, researchers may have a new tool to enhance the way computer chips, LEDs and transistors are built.
Good vibrations: Devices aid the deaf by translating sound waves to vibrations
Feb 26, 2009 |
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(PhysOrg.com) -- Lip reading is a critical means of communication for many deaf people, but it has a drawback: Certain consonants (for example, p and b) can be nearly impossible to distinguish by sight alone.
Honest lovers? Fallow buck groans reveal their status and size during the rut
Biology /
Sep 03, 2008 |
4.3 / 5 (4) |
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It is known that the phonic structure of calls produced by males during the breeding season may signal quality-related characteristics in many different types of animals. Previous research on mammals has mainly focussed on ...
Why female deer like a stag to be a big noise in the forest
Biology /
Jun 06, 2007 |
5 / 5 (2) |
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Impressive antlers may be the most eye-catching attribute of the male red deer, but it's the quality of a stag's mating call that attracts the female of the species, a new study from the University of Sussex, ...
Acoustic tweezers can position tiny objects
Nanotechnology / Nanomaterials
Aug 28, 2009 |
5 / 5 (7) |
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(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 ...
