What was the invention that "revolutionized the diffusion of knowledge"

In 1846, the United States Congress established the Smithsonian Institution, dedicated to “the increase and diffusion of knowledge,” using both the bequest and the language from British scientist James Smithson’s will. Higher education differs from the Smithsonian, which combines cutting-edge research with a network of museums staffed in part by scholars and freely accessible to the public.

Explanation:

i think that the answer is polishing peanuts