All of our personal devices like watches, phones, ipods, flashlights, aerobic exercise machines, can all be powered by momentum and heat from the human body. We already have this technology–harnessing free energy for our own personal use is an obvious part of reducing waste and building up savings again in the household sector. I see a time where those who are physically active can sell their excess energy produced back to the grid. Financial savings and incentives that encourage physical fitness–imagine the sea change in human behavior…
Teen inventor Ann Makosinski took top honors in the Google Science fair for her battery free flashlight, powered by the heat of a person’s hand. Here is a direct video link.
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