The three-pound organ in your skull - with its pink consistency of Jell-o - is an alien kind of computational material. It is composed of miniaturized, self-configuring parts, and it vastly outstrips anything we've dreamt of building.
Those who remember Washington's cold war culture in the 1980s will recall the shocked reactions to Reagan's intervention. People interested in foreign policy were astonished when in 1985 he met alone at Geneva - alone, not a single strategic thinker at his elbow! - with the Soviet Communist master G

