Free Heat Using Pop Cans and Plexiglass

Using empty soda pop cans, a wooden frame, vacuum hose, and plexiglass you can build your own solar heater that boosts temperatures by 15 degrees!I decided instead to take advantage of the south-facing side of the garage and build a solar furnace to collect some of that sunshine just bouncing straight off my...

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Free Electricity? Yep – Build your Own Wind Turbine

The man who created the Segway (Dean Kamen) pays ZERO dollars a month for electricity. Why? Because he has his own windmill in his backyard. Learn how it’s done with this awesome, detailed, lengthy tutoria...

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Charge Portable Electronics using Sugar

Juicing up your cell phone or iPod may take on a whole new meaning in the future. Researchers at Saint Louis University in Missouri have developed a fuel cell battery that runs on virtually any sugar source from soft drinks to tree sap and has the potential to operate three to four times longer on a single...

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