The word was first used to describe a crucial moment in the evolution of humanity by the great mathematician John von Neumann. Kurzweil's notion of a singularity is taken from cosmology, in which it signifies a border in spacetime beyond which normal rules of measurement do not apply (the edge of a black hole, for example). Kurzweil is 60, but he intends to be no more than 40 when the singularity arrives. He is attempting to travel across a frontier in time, to pass through the border between our era and a future so different as to be unrecognizable. With his perfect posture and narrow black glasses, he would look at home in an old documentary about Cape Canaveral, but his mission is bolder than any mere voyage into space. * Photo: Rennio Maifredi * Ray Kurzweil, the famous inventor, is trim, balding, and not very tall.
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