The invention of movable type, an innovation of colossal impact, led to a proliferation of books and the dissemination of knowledge.

FORBES: Fact and Comment

The printing press or the art of movable type that would trigger an explosion of Christian civilization, with the Gutenberg revolution in Germany, had been invented centuries earlier by the Chinese, but with no similar effect.

CNN: Building On A Golden Age

Rather than trying to eliminate the source of these tides, between 1974 and 1984 the U.K. constructed the Thames Barrier, an innovative monumental system of movable floodgates that prevents the flooding.

FORBES: Beyond Copenhagen