Created by the Greek mathematician Archimedes in 250 B.C., the constant–the ratio of the circumference of a circle to its diameter–gave its name to March 14 at San Francisco's Exploratorium in 1988.Created by the Greek mathematician Archimedes in 250 B.C., the constant–the ratio of the circumference of a circle to its diameter–gave its name to March 14 at San Francisco's Exploratorium in 1988. .the constant–the ratio of the circumference of a circle to its diameter–gave its name to March 14 at San Francisco's Exploratorium in 1988.In this historical moment, he sent the message “What hath God wrought?” from Washington to Baltimore, marking a significant advancement in communication technology.In this historical moment, he sent the message “What hath God wrought?” from Washington to Baltimore, marking a significant advancement in communication technology.
