News tagged with frequency acoustic


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Search results for frequency acoustic


Highlight: Damping of acoustic vibrations in gold nanoparticles

Highlight: Damping of acoustic vibrations in gold nanoparticles

Nanotechnology / Nanophysics

created Nov 19, 2009 | popularity 4 / 5 (2) | comments 0

Vibrations in nanostructures offer applications in molecular-scale biological sensing and ultrasensitive mass detection. To approach single-atom sensing, it is necessary to reduce the dimensions of the structures ...


Active hearing process in mosquitoes

Active hearing process in mosquitoes

Other Sciences / Mathematics

created Nov 20, 2009 | popularity 4 / 5 (1) | comments 0

A mathematical model has explained some of the remarkable features of mosquito hearing. In particular, the male can hear the faintest beats of the female's wings and yet is not deafened by loud noises.


Formula to detect an author's literary 'fingerprint'

Formula to detect an author's literary 'fingerprint'

Physics / General Physics

created Dec 10, 2009 | popularity 4.5 / 5 (2) | comments 5

Using literature written by Thomas Hardy, DH Lawrence and Herman Melville, physicists in Sweden have developed a formula to detect different authors' literary 'fingerprints'.


Blue whale

Blue whales singing with deeper voices

Biology / Plants & Animals

created Dec 08, 2009 | popularity 4.3 / 5 (7) | comments 8

(PhysOrg.com) -- Blue whales, the largest animals on earth, are singing with deeper voices every year, but scientists are unsure of the reason.


Special ultrasound accurately identifies skin cancer

Medicine & Health / Cancer

created Dec 01, 2009 | popularity 4 / 5 (1) | comments 0

High-frequency ultrasound with elastography can help differentiate between cancerous and benign skin conditions, according to a study presented today at the annual meeting of the Radiological Society of North America (RSNA).


Ecologists sound out new solution for monitoring cryptic species

Biology / Ecology

created Nov 27, 2009 | popularity not rated yet | comments 0

Ecologists have at last worked out a way of using recordings of birdsong to accurately measure the size of bird populations. This is the first time sound recordings from a microphone array have been translated into accurate ...


Pickin' Up Good Vibrations to Produce Green Electricity

Pickin' Up Good Vibrations to Produce Green Electricity

Technology / Engineering

created Nov 30, 2009 | popularity 4.1 / 5 (11) | comments 2

(PhysOrg.com) -- Vibrations from the environments we live and work in could be much more widely harnessed as a clean source of electricity, due to cutting-edge UK research.


Scientists Investigate Cause of 'Singing Dunes'

Scientists Investigate Cause of 'Singing Dunes'

Physics / General Physics

created 22 hours ago | popularity 4.1 / 5 (14) | comments 7

(PhysOrg.com) -- In more than 30 locations around the world, the phenomenon of singing sand dunes has intrigued explorers, tourists, and scientists. When an avalanche occurs or even when the sand is pushed ...


Intelligence inside metal components

Intelligence inside metal components

Technology / Engineering

created Nov 24, 2009 | popularity 4.5 / 5 (2) | comments 3

Up to now, extreme production temperatures made it impossible to equip metallic components with RFID chips during the operating process. At Euromold in Frankfurt (Dec. 2-5), Germany, Fraunhofer researchers ...


Fujitsu Succeeds in World's First Operation of 100W-Class Amplifiers Employing Carbon Nanotubes for Next-Generation Mobile Base

Fujitsu Announces World's First Operation of 100W-Class Amplifiers Employing Carbon Nanotubes

Technology / Semiconductors

created Dec 11, 2009 | popularity 4.8 / 5 (6) | comments 1

Fujitsu Laboratories today announced that, using carbon nanotubes as heat-dissipation material in amplifier transistors, Fujitsu has become the first to achieve the successful operation of high-frequency, ...



List of search results for frequency acoustic