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Mar10-12, 12:06 PM
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Quote Quote by Mahipat Singh View Post
Hello, anyone can tell me now what are the frequencies of sound in environment ?

If there are varying sound in diff. frequencies, than we are capable to collect and re-use it by help of machine.
Have you actually read any of this thread?
How much energy do you need? How much is available? Which number is greater? That is the answer to your question.
I really hope that you don't approach your personal finances in the same way that you are looking at this 'free energy idea'.