(Encyclopedia) Allen, Woody, 1935–, American actor, writer, and director, one of contemporary America's leading filmmakers, b. Brooklyn, N.Y., as Allen Stewart Konigsberg. Allen began his career…
(Encyclopedia) Darnley, Henry Stuart or Stewart, Lord, 1545–67, second husband of Mary Queen of Scots and father of James I of England (James VI of Scotland). His mother was Margaret Douglas, the…
(Encyclopedia) transcontinental railroad, in U.S. history, rail connection with the Pacific coast. In 1845, Asa Whitney presented to Congress a plan for the federal government to subsidize the…
(Encyclopedia) Lawrence, D. H. (David Herbert Lawrence), 1885–1930, English author, one of the primary shapers of 20th-century fiction.
Lawrence believed that industrialized Western culture was…
WHAT IS MECHANICAL ADVANTAGE? HOW IS A MACHINE’S EFFICIENCY MEASURED? LEVERSPULLEYSINCLINED PLANESGEARSFIND OUT MOREFrom can openers to cranes, machines make work easier. Simple machines include…
(Encyclopedia)
Common Weights and Measures
Length
Metric System
1 millimeter = 1/1,000 meter
1 centimeter = 1/100 meter
1 decimeter = 1/10 meter
1 meter (basic unit of length)
1 dekameter…