Carbon Nanotube Speaker

This little speaker is made of carbon nanotubes, and it functions as a thermoacoustic speaker. Whats kind of amazing is, unlike a conventional speaker, it doesn’t have to move to make sound. This speaker makes sound by way of abrupt temperature changes that pressurize the air, sending pressure waves (sound) without actually moving. So, look forward to one day walking through the trade show and picking up a promotional wind-breaker that will play a jingle. Wall paper as our surround sound. Maybe we can even have sound canceling blinds for the city sleeper. The nanotube & graphene era will be an interesting time. This particular speaker is made by the Finnish company, Canatu. Canatu, among others, is working towards commercializing this technology.

 

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