Friday, November 18, 2005

Shaft Coupling

A common type of rigid coupling

Thursday, July 28, 2005

Alabama River

River in southern Alabama, U.S. It is formed by the Coosa and Tallapoosa rivers, 7 miles (11 km) northeast of Montgomery, winds westward to Selma, and then flows southward. Its length is 315 miles (507 km). The river drains 22,800 square miles (59,050 square km) and is navigable. It receives its chief tributary, the Cahaba, about 10 miles (16 km) southwest of Selma. The Alabama is joined 45 miles (72 km) north of Mobile by

Wednesday, July 27, 2005

Epistemology, Philosophy of mind and epistemology

In the late 1970s a series of developments occurred in a variety of intellectual fields that promise to cast new light on the nature of the human mind. There have been explosive advances in neuroscience, psychology, cognitive science, neurobiology, artificial intelligence, and computer studies. These have resulted in a new understanding of how seeing works, how the mind

Sunday, July 24, 2005

Leonardo Pisano

Little is known about Leonardo's life beyond the few facts given in his mathematical writings. During Leonardo's boyhood his father, Guglielmo, a Pisan merchant, was appointed consul over the community of Pisan merchants in the North African port of Bugia (now Bejaïa, Alg.). Leonardo was sent to study calculation with an Arab master. He later went to Egypt, Syria, Greece,

Thursday, July 07, 2005


In archery, form of practice or competition dating from at least the 16th century, when it was practiced by the Honourable Artillery Company at Finsbury Fields near London. Archers set up many marks on the field and shot from one to the next in sequence, the object being, as in golf, to use the fewest shots in completing the course. Roving is similar to modern field archery,

Tuesday, July 05, 2005

Pavlova, Anna

Pavlova studied at the Imperial School of Ballet at the Mariinsky Theatre from 1891, joined the Imperial Ballet in 1899, and became a prima ballerina in 1906. In 1909 she went to Paris on the historic tour of the Ballets Russes. After 1913 she danced independently with her own

Wednesday, June 15, 2005

Great Fire Of London

On Sunday, September 2, 1666, the fire began accidentally in the house of the king's baker in Pudding Lane near London Bridge. A violent east wind encouraged the flames, which raged during