bob12 (Canada)
Microphone Generator
I know it's not a new invention and most of us know how it works to act as transducer between air pressure (ie sound waves) and current. But the idea behind it is always to capture intelligible sound.
The idea that I propose is based on the same scheme as microphone but for the purpose of generating electricity. We can think of huge or array of microphones installed near noisy or windy places to perform like windmill but at very low cost.

Reward: mark of gratitude

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