Georgia: Battery charges from microphone sound waves

Institute of : Επιστήμονες ανέπτυξαν ένα μικρόφωνο από χαρτί σε μέγεθος γραμματοσήμου, που θα μπορούσε να φορτίσει την μπαταρία του τηλεφώνου σας χρησιμοποιώντας τον ήχο.Georgia music sound

Researchers from Georgia Institute of Technology they used a laser to scribble a grid of microscopic holes on the paper. They then coated one side with copper and put it on a thin Teflon sheet, joining the two sheets at one end.

Τα ηχητικά κύματα δονούν τα δύο φύλλα με διαφορετικούς τρόπους, κάνοντάς τα να πάλλονται, κάτι που δημιουργεί ηλεκτρικό φορτίο, παρόμοιο με εκείνο που δημιουργείται αν κάποιος τρίψει ένα μπαλόνι στα του, αναφέρει το «New Scientist».

The microphone can also be used as a new way to recycle sound energy from the environment, and could collect free electricity from the "waste" that is heard all around us.

The amount of power the microphone provides depends on its size, but it is about 121 milliwatts per square meter.

"It can be made in any size you want," Zhong Wang said Georgia Institute of Technology.

However, Wang said that if a stamped microphone is placed on the phone, it will provide little energy that will not be enough to fully charge the phone.

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Written by Dimitris

Dimitris hates on Mondays .....

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