Born: 1867Birthplace: Millville, Ind. Flying machine—The Wright brothers achieved the first powered, sustained and controlled flight of a heavier than air machine at Kitty Hawk, North Carolina in…
Born: 1919 Rotor Control Mechanism for Rotary Aircraft. In 1947, Kaman revolutionized helicopter safety and stability with his aerodynamic “servo-controlled flaps,” which could automatically…
Born: 1795 Steam Locomotive. Baldwin was the first American to build steam locomotives of the same quality as were made in Europe. His “Old Ironsides” was the first locomotive to carry passengers.…
Profiles of leading female CEOs and business executives Meg Whitman, CEO of eBay, speaking at the Intershop Open Conference in 1999. Top Female CEOs Brenda Barnes…
January 1, 1863 By the president of the United States of America: A Proclamation. Whereas on the 22d day of September, A.D. 1862, a proclamation was issued by the president of the United States,…
HOW DID GANDHI FIGHT FOR FREEDOM? WHEN DID JAPAN BECOME POWERFUL? FIND OUT MOREThe first half of the 20th century saw Great Britain, France, and the Netherlands being challenged by the peoples they…
(Encyclopedia) crane, hoisting machine for lifting heavy loads and transferring them from one place to another, ordinarily over distances of not more than 200 ft (60 m). Cranes have a long reach and…
(Encyclopedia) exponent, in mathematics, a number, letter, or algebraic expression written above and to the right of another number, letter, or expression called the base. In the expressions x2 and…
(Encyclopedia) Bo Xilai, 1949–, Chinese political leader. The son of Bo Yibo, a Communist revolutionary leader, he joined the Communist party in 1980. Bo studied history at Peking Univ. and earned (…
