News tagged with vibrational frequency
Seeing sound: Team develops noninvasive method to visualise sound propagation
High-performance loudspeaker manufacturers have been able to improve sound quality dramatically over the years, but still face the issue of dead spots.
Nov 08, 2011 |
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High temperature, high speed metal fatigue test device with 1000C heat resistance
A research group led by Dr. Yoshiyuki Furuya, a Senior Researcher of the Materials Reliability Unit, National Institute for Materials Science, succeeded in the development of a high temperature ultrasonic ...
Sep 21, 2011 |
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Vibration-assisted milling can lead to higher-quality surfaces
In conventional milling operations, a workpiece on a table is typically fed past a rotating multi-tooth cutter, and the entire surface is processed by making a series of overlapping passes. This procedure, ...
Sep 19, 2011 |
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Scientists discover new water waves
(PhysOrg.com) -- By precisely shaking a container of shallow water, researchers have observed wave behavior that has never been seen before. In a new study, Jean Rajchenbach, Alphonse Leroux, and Didier Clamond ...
Jul 19, 2011 |
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Quantum explanation for how we smell gets new support
(PhysOrg.com) -- Since 1996, when biophysicist Luca Turin first suggested that quantum mechanics may help explain how we smell various odors, the idea has met with controversy. In the past 15 years, some studies ...
Mar 28, 2011 |
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Weighing the cell: Measuring, for the first time, how single cells accumulate mass (w/ Video)
Using a sensor that weighs cells with unprecedented precision, MIT and Harvard researchers have measured the rate at which single cells accumulate mass -- a feat that could shed light on how cells control their growth and ...
Apr 11, 2010 |
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Tiny gold probes give scientists a sense of how disease develops
Tiny chemical sensors implanted into patients could help diagnose disease and track its progress, following a development by scientists.
Nanotechnology / Bio & Medicine
Mar 28, 2010 |
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How many argon atoms can fit on the surface of a carbon nanotube?
(PhysOrg.com) -- Phase transitions -- changes of matter from one state to another without altering its chemical makeup -- are an important part of life in our three-dimensional world. Water falls to the ground as snow, melts ...
Nanotechnology / Nanomaterials
Jan 28, 2010 |
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One nano-step closer to weighing a single atom
By studying gold nanoparticles with highly uniform sizes and shapes, scientists now understand how they lose energy, a key step towards producing nanoscale detectors for weighing any single atom.
Jul 27, 2009 |
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First nanoscale mass spectrometer created
Using devices millionths of a meter in size, physicists at the California Institute of Technology (Caltech) have developed a technique to determine the mass of a single molecule, in real time.
Jul 22, 2009 |
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Scientists discover giant Rydberg atom molecules
A group of University of Oklahoma researchers led by Dr. James P. Shaffer, Homer L. Dodge Department of Physics and Astronomy, have discovered giant Rydberg molecules with a bond as large as a red blood cell. Determining ...
Jun 24, 2009 |
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