Government Oil Industry

The human brain is a marvel

The human brain is a marvel. A mere 20 watts of energy are required to power the 22 billion neurons in a brain that’s roughly the size of a grapefruit. To field a conventional computer with comparable cognitive capacity would require gigawatts of electricity and a machine the size of a football field.

Smart Machines: IBM’s Watson and the Era of Cognitive Computing

John E. Kelly IIISenior Vice President, Cognitive Solutions and IBM ResearchIBM