Sounds wonderful invention of electricity generating

Hong Kong University of Science and Technology experts develop a modern sound absorbing plates areBy adjusting the frequency of the low frequency sound is also capable of absorbing these plates can also generate electricity s. Hearing the voice for the current minimum limits must be 17 mm. Less than the thickness of the sound is not of human hearing.New plates with the extremely low frequency will be able to hear and it will be possible to produce electricity.2 cm from the center of the plates in the dying can hear. The research, led by Professor Ping Sheng said the experts