As computer scientists mimic the architecture of the human brain, we are also likely to see artificial intelligence perform complex cognitive tasks that will astonish us.
In short, the parallel between the late 19th century and the early 21st century serves to remind us that, underneath our current dreary landscape, rumble the forces of invention and renewal.
Mark W. Davis, a former White House speechwriter, is a member of the Washington, D.C.-based White House Writers Group.

















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