but not the kind of important result whose revolutionary scope is in large part unforeseen,except by the imagination of the utopian. let me recall a well-known example,zealously and without the lease suspicion that it might someday be useful,it would not have been possible centuries later to navigate far from shore.The first men to study the nature of electricity could not imagine that their experiments,carried on because of mere intellectual curiosity,would certainly lead to modern electrical technology,without which we can scarcely conceive of contemporary life.