The Enernet is now the focus of ethernet co-inventor Bob Metcalfe. Metcalfe, a Silicon Valley legend, is on a mission to harness the power of the Internet to make electric power systems more efficient. He describes this concept as the Enernet, short for the energy Internet. "Some energy people are hostile about Internet tycoons wandering into their space," he said in a recent interview. "My response to them is: We let you have the space for the last 50 years and you haven't solved the problem." Metcalfe, 63, is an outspoken icon of technology who co-invented the ethernet technology standard...