News tagged with ultrasonic sound
Physicists localize 3-D matter waves for first time (w/ video)
University of Illinois physicists have experimentally demonstrated for the first time how three-dimensional conduction is affected by the defects that plague materials. Understanding these effects is important ...
Oct 07, 2011 |
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NPL unveils quantitative means of monitoring ultrasonic cleaning systems
Ultrasonic Cleaning Systems are widely used in healthcare applications during the sterilization of surgical instruments, and in many manufacturing and process industries. They work by passing a high frequency ...
Aug 11, 2010 |
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Mystery of bat with an extraordinary nose solved
A research paper co-written by a Virginia Tech faculty member explains a 60-year mystery behind a rare bat's nose that is unusually large for its species. The findings soon will be published in the scientific ...
Jul 07, 2009 |
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Search results for ultrasonic sound
Sonic screwdriver tightens up fundamental physics
When the scriptwriters for Doctor Who imagined a futuristic device, they came up with the Sonic Screwdriver. Now a team of physicists at the University of Dundee have taken equipment designed for MRI-guided focused ultrasound ...
Apr 20, 2012 |
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Manatee hearing good enough to sense approaching motorboats
Every year, manatees are injured in boat collisions. Why don't they just move when they hear a boat approach? A team of scientists led by Joe Gaspard from Mote Marine Laboratory and Aquarium, USA, have found that manatee ...
Apr 12, 2012 |
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Hermetic bags save African crop, but not how experts once thought
The hermetic grain storage bags that cut off oxygen to weevils and have saved West and Central African farmers hundreds of millions of dollars by putting the brakes on the insects' rapid multiplication don't ...
Feb 22, 2012 |
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Tiny primate 'talks' in ultrasound
One of the world's smallest primates, the Philippine tarsier, communicates in a range of ultrasound inaudible to predator and prey alike, according to a study published on Wednesday.
Feb 08, 2012 |
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Fossil cricket: Jurassic love song reconstructed
Some 165 million years ago, the world was host to a diversity of sounds. Primitive bushcrickets and croaking amphibians were among the first animals to produce loud sounds by stridulation (rubbing certain ...
Other Sciences / Archaeology & Fossils
Feb 06, 2012 |
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On the road to creating an affordable master instrument
Violins made of wood treated with fungus need not hide their lights when compared to a Stradivarius, as a blind test has already demonstrated. However, these tonal masterpieces are only available as individually-made ...
Dec 09, 2011 |
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Bats, dolphins, and mole rats inspire advances in ultrasound technology
Sonar and ultrasound, which use sound as a navigational device and to paint accurate pictures of an environment, are the basis of countless technologies, including medical ultrasound machines and submarine ...
Nov 14, 2011 |
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Moth ears are activated by movement the size of an atom
(PhysOrg.com) -- Moths are so finely tuned to the ultrasonic calls of predatory bats that the nerve cells in their ears are activated by displacements of the eardrum the size of a small atom, according to ...
Oct 20, 2011 |
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Lightning-fast materials testing using ultrasound
For years, ultrasound has proven to be a valuable tool in non-destructive materials testing. However, the demands of modern production conditions are increasing all the time. Researchers at Fraunhofer have ...
Apr 01, 2011 |
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'Singing' mice -- the ongoing debate of nature vs. nurture
What happened to being "quiet as a mouse"? Researchers have recently shown that, rather than being the silent creatures of popular belief, mice emit ultrasonic calls in a variety of social contexts, and these ...
Mar 09, 2011 |
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List of search results for ultrasonic sound
