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Researchers Develop Headphones Using Carbon Nanotubes Instead of Normal Speakers

Carbon nanotube headphones may be reasonably priced

Oct 4 2013, 10:57am CDT | by

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Researchers Develop Headphones Using Carbon Nanotubes Instead of Normal Speakers
 
 

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Researchers Develop Headphones Using Carbon Nanotubes Instead of Normal Speakers

A group of researchers have created a very unique set of headphones that don't use moving parts for the speaker drivers. Rather than using moving parts, the speakers in these headphones use carbon nanotubes. Carbon nano tubes have been researched for a number of uses, including making smaller transistors for computer chips.

The headphones use what's called the thermoacoustic effect to create sound. The thermoacoustic effect uses the expansion and contraction of air to create sound. "We found that processing the carbon nanotube film into thin yarn arrays doesn’t weaken the thermoacoustic effect but can greatly improve the device robustness and durability. And the new designmounts the nanotube structures on silicon chips that are compatible with existing manufacturing methods. The thermoacoustic chips could be easily integrated into circuit boards for speakers with other electronic elements, such as control circuits," said Yang Wei, one of the project creators.

So far, there's no indication of when headphone such as these might be available on the market. However, there is some indication that nanotube speakers may be reasonably priced when they do come to market.

 

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Update: 6

A new way to make microstructured surfaces

Source: PhysOrg.com

A team of researchers has created a new way of manufacturing microstructured surfaces that have novel three-dimensional textures. These surfaces, made by self-assembly of carbon nanotubes, could exhibit a variety of useful properties—including controllable mechanical stiffness and strength, or the ability to repel water in ...
Source: PhysOrg.com   Full article at: PhysOrg.com 1 day ago, 6:04am CDT
 


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Update: 5

A new way to make microstructured surfaces: Method can produce strong, lightweight materials with specific surface properties

Source: Science Daily

A team of researchers has created a new way of manufacturing microstructured surfaces that have novel three-dimensional textures. These surfaces, made by self-assembly of carbon nanotubes, could exhibit a variety of useful properties -- including controllable mechanical stiffness and str ...
Source: Science Daily   Full article at: Science Daily 2 days ago, 11:38am CDT
 

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(Phys.org) —At the nanoscale, where objects are measured in billionths of meters and events transpire in trillionths of seconds, things do not always behave as our experiences with the macro-world might lead us to expect. Water, for example, seems to flow much faster within carbon nanotubes than classical physics says should be possible. Now imagin ...
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<a href="/latest_stories/all/all/3" rel="author">Shane McGlaun</a>
Leading our review center, Shane McGlaun (Google) knows technology inside out. His extensive experience in testing computer hardware and consumer electronics enable him to effectively qualify new products and trends. If you want us review your product, please contact Shane.
Shane can be contacted directly at shane@i4u.com.

 

 

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