New graphene-based earphone-sized speaker

Researchers from the University of California, Berkeley, have developed a new graphene-based earphone-sized speaker - that can actually outperform the best earphones. They say that even with almost no specialized acoustic design, it performs comparably to a high quality commercial headsets (a Sennheiser MX-400 earphone, in fact). The graphene speaker is also highly efficient:

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Tags: graphene


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Comment by Preeti Prakash on March 18, 2013 at 8:09am

graphene has various usage. in nano technology there are different types of graphene particles are available. graphene biodevices, electrical grade graphene, graphene coatings, single and double layer graphene are some nano graphene froms are available.

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