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Topic: New Tech: Motionless Speaker That Uses Heat To Make Sound (Read 2712 times) previous topic - next topic
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New Tech: Motionless Speaker That Uses Heat To Make Sound

Source: University of Exeter

"A pioneering new technique that encourages the wonder material graphene to “talk” could revolutionise the global audio and telecommunications industries.
Researchers from the University of Exeter have devised a ground-breaking method to use graphene to generate complex and controllable sound signals. In essence, it combines speaker, amplifier and graphic equaliser into a chip the size of a thumbnail."

http://www.exeter.ac.uk/news/featurednews/title_581068_en.html


EZ CD Audio Converter

Re: New Tech: Motionless Speaker That Uses Heat To Make Sound

Reply #1 –
There goes the AC bills. :P

Re: New Tech: Motionless Speaker That Uses Heat To Make Sound

Reply #2 –
Quote from: soundping on
Source: University of Exeter

"A pioneering new technique that encourages the wonder material graphene to “talk” could revolutionise the global audio and telecommunications industries.
Researchers from the University of Exeter have devised a ground-breaking method to use graphene to generate complex and controllable sound signals. In essence, it combines speaker, amplifier and graphic equaliser into a chip the size of a thumbnail."

http://www.exeter.ac.uk/news/featurednews/title_581068_en.html

This makes them second:

MIT Technology Review  March 13, 2013

"First Graphene Audio Speaker Easily Outperforms Traditional Designs"

Re: New Tech: Motionless Speaker That Uses Heat To Make Sound

Reply #3 –
Quote from: Arnold B. Krueger on
Quote from: soundping on
Source: University of Exeter

"A pioneering new technique that encourages the wonder material graphene to “talk” could revolutionise the global audio and telecommunications industries.
Researchers from the University of Exeter have devised a ground-breaking method to use graphene to generate complex and controllable sound signals. In essence, it combines speaker, amplifier and graphic equaliser into a chip the size of a thumbnail."

http://www.exeter.ac.uk/news/featurednews/title_581068_en.html

This makes them second:

MIT Technology Review  March 13, 2013

"First Graphene Audio Speaker Easily Outperforms Traditional Designs"




No, Exeter is still first. They produced the first thermoacoustic transducer using graphene. The Berkeley group made an electrostatic speaker with a vibrating graphene membrane. Both use graphene, but it's the thermoacoustic transducer with no moving parts that's the news.

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