(Encyclopedia) Didot, FrançoisDidot, FrançoisfräNswäˈ dēdōˈ [key], 1689–1757, Parisian printer. The son of a printer, Denis Didot, he was the first of the family to win fame in his craft. His son,…
(Encyclopedia) hydrology, study of water and its properties, including its distribution and movement in and through the land areas of the earth. The hydrologic cycle consists of the passage of water…
(Encyclopedia) inchworm, name for the larvae of moths of the family Geometridae, a large, cosmopolitan group with over 1,200 species indigenous to North America. Also called measuring worms,…
(Encyclopedia) JanusJanusjāˈnəs [key], in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn X (or S10), Janus is an irregularly shaped (nonspherical) body…
(Encyclopedia) Piccard, AugustePiccard, Augusteōgüstˈ pēkärˈ [key], 1884–1962, Swiss physicist, b. Basel. He became a professor at the Univ. of Brussels in 1922. He and his twin brother Jean Felix (d…
(Encyclopedia) wind tunnel, apparatus for studying the interaction between a solid body and an airstream. A wind tunnel simulates the conditions of an aircraft in flight by causing a high-speed…
link See hyperlink. Linux A UNIX®-like, open-source operating system developed primarily by Linus Torvalds. Linux is free and runs on many platforms, including both PCs and Macintoshes. Linux…
WHAT IS MEMORY? WHAT IS A MICROPROCESSOR? HOW IS VIRTUAL REALITY CREATED? FIND OUT MOREAn electronic machine that uses binary code to store and process data is a computer. Binary code can represent…
TIME ZONES LATITUDE AND LONGITUDEFIND OUT MOREA map is a picture that represents a particular part of the Earth’s surface, usually from above and at a reduced size. It can show the whole world, a…
Born: 5/29/1917Birthplace: Brookline, Mass. John Fitzgerald Kennedy was born in Brookline, Mass., on May 29, 1917. His father, Joseph P. Kennedy, was ambassador to Great Britain from 1937 to 1940.…