The cost of the Energy Ball is between $3,500 and $7,000, not including installation. "There is a lot of interest worldwide," Aurik said. "Everybody likes the design. It looks like an art piece." ...

Best of all it’s called the Energy Ball: the fun name is an added bonus. Most modern wind turbines utilize a flat three-blade design, wherein the head of the windmill is directed into drafts by ...

Kinetic energy ... ball before the collision. Additionally, kinetic energy can be converted into other forms of energy and vice versa. For example, kinetic energy can be converted into electrical ...