News tagged with vibration
Highlight: Damping of acoustic vibrations in gold nanoparticles
Nov 19, 2009 |
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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 ...
Harvesting Energy from Natural Motion: Magnets, Cantilever Capture Wide Range of Frequencies
Oct 28, 2009 |
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(PhysOrg.com) -- By taking advantage of the vagaries of the natural world, Duke University engineers have developed a novel approach that they believe can more efficiently harvest electricity from the motions ...
Termites eavesdrop on competitors to survive
Aug 26, 2009 |
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(PhysOrg.com) -- The drywood termite, Cryptotermes secundus, eavesdrops on its more aggressive subterranean competitor, Coptotermes acinaciformis, to avoid contact with it, according to scientists from CSIRO ...
One nano-step closer to weighing a single atom
Jul 27, 2009 |
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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.
First nanoscale mass spectrometer created
Jul 22, 2009 |
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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.
COIL Electric Guitars Leave No Tone Unturned
Jul 07, 2009 |
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(PhysOrg.com) -- University of Maryland electrical and computer engineering professor Bruce Jacob pried open his new electric guitar and wondered why he couldn't get more sounds out of it.
Revolutionary sensor system protects ports, bridges and distribution centres
Apr 27, 2009 |
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(PhysOrg.com) -- Özlem Durmaz Incel, researcher at the University of Twente, the Netherlands, has developed a spectacular new method that enables wireless sensor networks to function up to ten times more efficiently. Networks ...
Researchers See Complex Atomic Choreography as Crystals Melt
Feb 02, 2009 |
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(PhysOrg.com) -- Conga lines of atoms wend their way through a crystal, their numbers growing as more and more atoms join the migration. The worm-like lines of atoms randomly converge, forming tangles that ...
Study: Vibration Exercise Slows Weight Gain
Aug 25, 2008 |
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A new study by Oregon State University researchers shows that whole body vibration slows the acquisition of fat, and may also positively impact bone density.
