Silicon Power Plants

The room literally hums with power. We are standing in Liebert’s fully operational Nines demonstration facility in Delaware, Ohio. Its floor is crowded with innocuous gray cabinets. Each one occupies just three square yards of floor space, and stand just slightly taller than a refrigerator

Cisco of the Powercosm

The first great debate of the Powercosm pitted DC against AC, Thomas Edison against George Westinghouse. Westinghouse won, and the 60 Hz AC century followed: Alternation current is easier to transform (step voltage up or down), more efficient to transmit, and a natural fit with rotating and machinery — generators and motors.