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Mathematics 9 Online
OpenStudy (anonymous):

help:))What is your reaction about TECHNOLOGY THAT POWERS CELL PHONES USING SOUND WAVES?

OpenStudy (anonymous):

Chatty teenagers could be the world's next renewable energy source. Scientists from Korea have turned the main ingredient of calamine lotion into a tiny material that converts sound waves into electricity. The research could lead to panels that can charge a cell phone from a conversation or provide a boost of energy to the nation's electrical grid generated by the noise during rush hour traffic. "Just as speakers transform electric signals into sound, the opposite process -- of turning sound into a source of electrical power -- is possible," said Dr. Young Jun Park, a scientist at Samsung Advanced Institute of Technology

OpenStudy (lilg132):

Its a good way of generating electricity :)

OpenStudy (anonymous):

I need your reactions not the background of the article.

OpenStudy (lilg132):

i gave mine lol

OpenStudy (jamesj):

If it's true, it's incredible, as sound wave energy is right now all but a wasted energy source.

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