With energy prices going up and our grids being overrun with consumers, it's time to shift the focus on where this energy comes from. Our technological advances have given us the ability to utilize different types of energy that, before today, were thought to be simple science fair experiments. Kinetic, gravitational, and thermo-electric are a few examples of renewable sources of energy are being harnessed by some green innovators and perfected for mass use. Here's a look at 5 energy gadgets that have the potential to limit our dependency on our depleting natural resources.
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