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November 19th, 2008

Video of the week – Nanotube speakers

Published on November 19th, 2008 | By: pwray@ceramics.org

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We posted about this novel use of carbon nanotubes as audio speakers on Monday, but today we have a video of the real deal, courtesy of the American Chemical Society. The first part of the video shows the transparency of such a speaker. The second part is an illustration of the way the CNTs create the sound by going through rapid heating-cooling cycles instead of vibrations. The third part shows how the sound quality is unaffected by stretching. Finally, the video shows a CNT speaker sewn onto a small, waving flag.


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