News tagged with acoustic

Flying Telescope Passes Key Test

Most astronomers wouldn't dream of opening their observatory's doors in 100 mph winds. Yet NASA's new SOFIA telescope recently flew in an airplane at 250 mph with doors wide open.

dateJan 08, 2010 in Space Exploration
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Acoustic waves warn of tsunami

An early warning system against tsunamis has been developed and tailored for the need of the Mediterranean, but preparedness on the ground is paramount to ensuring peoples' safety.

dateAug 29, 2013 in Earth Sciences
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Decoding the long calls of the orangutan

Research into the long calls of male Orangutans in Borneo has given scientists new insight into how these solitary apes communicate through dense jungle. An acoustic analysis of the calls, published today ...

dateMar 09, 2010 in Plants & Animals
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Sensor predicts glass breakage

(PhysOrg.com) -- Modern glass façades inform the architecture of major cities throughout the world. In recent years, however, there have been cases of broken glass, with collapsing facades endangering passers-by. ...

dateMay 04, 2010 in Engineering
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New system helps explain salmon migration

A new acoustic telemetry system tracks the migration of juvenile salmon using one-tenth as many fish as comparable methods, suggests a paper published in the January edition of the American Fisheries Society ...

dateJan 08, 2010 in Ecology
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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.

dateSep 01, 2009 in Plants & Animals
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