Sunday, May 1, 2011

Energy from Sound

I have been thinking so much about the energy crisis and depleted natural resources. As our Earth's population increases, noise levels have increased considerably. More people=more sound. If you know anything about the physics of sound, then you know that all sound consists of waves of different sizes. Waves vibrate, they have energy.These waves vibrate our ear drums and our brain interprets the vibration as sound.
I am now pondering why sound has not been used as a source of energy. There is no doubt that these vibrations can be gathered. For example, in a big city there is a great amount of sound which could be collected to power generators. Or in a factory much of the noise from machinery could be collected. Please let me know if there is any reason why sound cannot be utilized as an energy source.
Thank you.
Ben

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