Evidence indicates the wheel was created to serve as potter's wheels around 3500 B.C. in Mesopotamia—300 years before they were used for chariots. Jim Vecchi / Corbis It’s fair to say that when an ...

Schoolboy creates a perpetual motion device, known as overbalanced wheel, for his science fair project on renewable energy.

Conservation of energy isn’t just a good idea: It is the law. In particular, it is the first law of thermodynamics. But, apparently, a lot of people don’t really get that because history is replete ...

Just imagine what it would be like if we could generate free energy. No need to worry about pollution, or fuel, or effort, or anything. It’s no wonder so many people have tried their hands at building ...

To the eccentric inventor, perpetual motion probably seems a low-hanging fruit. Sure, those pesky Laws of Thermodynamics tell us that no machine can do work forever without some sort of energy input, ...

Always cited as the hallmark of man’s innovation, here is the real story behind the wheel – from its origins to its reinvention Megan Gambino Senior Editor Evidence indicates the wheel was created to ...