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Joseph Clark BALDWIN, Congress, NY (1897-1957)

BALDWIN, Joseph Clark, a Representative from New York; born in New York City, January 11, 1897; attended private schools; was graduated from St. Paul’s School, Concord, N.H., in 1916 and…

McCormick, Cyrus Hall

(Encyclopedia) McCormick, Cyrus Hall, 1809–84, inventor of the reaper, b. Rockbridge co., Va. His father, Robert McCormick (1780–1846), had worked intermittently for over 20 years at his blacksmith…

World War I: Weapons and Technology

Here's a look at the weapons and technology used during the First World War. World War I Mark V-star tank Related Links World War I Battles with the Most Casualties The Deadliest…

Orsha

(Encyclopedia) OrshaOrshaôrˈshə [key], city (1989 pop. 123,128), NE Belarus, a port at the confluence of the Dnieper and Orshitsa rivers. One of Belarus's leading rail and water transport junctions…

Weapons that Changed Warfare

Invented by the Greeks in 400 B.C., catapults were used in ancient and medieval times to hurl stones, spears, and other objects at fortifications. The crossbow was invented in China but developed…

Famous Math Minds

Can you imagine what life was like before computers? Many of the world's most famous and important mathematicians came up with complicated theories and inventions well before the high-tech tool…

DK History: Agricultural Revolution

WHY DID CHANGES TAKE PLACE IN FARMING? WHO WORKED ON THE LAND? BIOGRAPHY: THOMAS WILLIAM COKE 1752–1842 MECHANIZATIONFIND OUT MOREThe 18th and 19th centuries saw great changes across Europe and…

DK Science: Supercomputers

FORECASTING A HURRICANEFIND OUT MOREA supercomputer is a computer that works thousands of times faster than the best desktop personal computer. It does this by combining many processors together…

Weather: Prediction by Numbers

Prediction by NumbersWeatherPrediction by NumbersRichardson's ExperimentPutting the Machines to Work The seventeenth and eighteenth centuries really began to put weather on the map. In 1600, Galileo…