Researchers at the Cornell University have taken inspiration from nature and tried to imitate the swaying of tree branches. So what is the difference between natural swaying of trees and energy-harvesting tree created by Cornell University researchers? The flapping









At the spinning heart of the modern electric grid lies what used to be called the dynamo a generator composed of stacks of copper rotating in an electromagnetic field. But it's a turbine that spins the dynamo and efforts to squeeze more efficiency and

