1889-1960 German-American geophysicist who demonstrated Earth's outer core to be liquid and calculated the boundary between it and the solid mantle above to be at a depth of 2,900 km (1,802 miles), now called the Gutenberg discontinuity. In...

Beno Gutenberg (June 4, 1889 – January 25, 1960) was a German-born seismologist who made several important contributions to the science. He was a colleague of Charles Francis Richter at the California Institute of Technology and Richter's...

In 1971, Michael Hart typed the text of the U.S. Declaration of Independence into a mainframe computer at the University of Illinois, creating the first electronic book. This was the start of Project Gutenberg (PG), an ambitious effort to develop a free public...

[ILLUSTRATION OMITTED] Globalization is about falling costs of distance. Nowhere have the costs of distance fallen more than for the transmission of information, from the handwritten manuscript of medieval times to the Internet today. The world continues to be revolutionized. **********...