Explores how science and technology have helped to shape America during the twentieth century in areas such as agriculture, transportation, medicine, and educat

This inquiry into the technical advances that shaped the 20th century follows the evolutions of all the principal innovations introduced before 1913 (as detaile

"This encyclopedia covers a period of enormous scientific discovery. Scientists developed previously unimagined theories, disciplines, and applications: relativ

The twentieth century witnessed the greatest changes in technology and science that humans have ever witnessed. These occurred rapidly and affected such a broad

Issues spawned by the headlong pace of developments in science and technology fill the courts. How should we deal with frozen embryos and leaky implants, danger