Wednesday, March 23, 2005

Silicone

Also called  Polysiloxane,   any of a diverse class of chemical polymers manufactured in the form of fluids, resins, or elastomers. Although they are partially organic in composition, the molecules of silicones differ from those of most polymers in that the backbone of their structure does not contain carbon, the characteristic element of organic compounds, but is a polysiloxane chain, in which

Tuesday, March 22, 2005

Saint Martin

The island was named by Christopher Columbus in honour of the saint on whose feast day he sighted it. Valued for its natural lakes

Sunday, March 20, 2005

Niuafo'ou

Northernmost island of Tonga, in the southwestern Pacific Ocean. The generally wooded land area of 19 square miles (49 square km) includes a volcanic peak 853 feet (260 m) high, a crater lake, and numerous hot springs. During a particularly violent eruption in 1946, the island's inhabitants were evacuated to 'Eua, several hundred miles to the south. They began returning to Niuafo'ou in 1958. Because

Friday, March 18, 2005

Shieldtail Snake

The

Tuesday, March 15, 2005

Jewelry, 19th century

The Industrial Revolution destroyed forever the ancient role of jewelry as a symbol of social rank. The social evolution created a market for a vast quantity of jewelry at prices the middle class could afford; and so jewelry, too, succumbed to the machine. Hundreds of different components for ornaments were produced by machines, an electric gold-plating technique

Monday, March 14, 2005

Turgot, Anne-robert-jacques, Baron De L'aulne

French economist, who was an administrator under Louis XV and served as the comptroller general of finance (1774–76) under Louis XVI. His efforts at instituting financial reform were blocked by the privileged classes.

Saturday, March 12, 2005

Uthagamandalam

Formerly  Ootacamund,   town, administrative headquarters of Nilgiri district, Tamil Nadu state, southeastern India, in the Nilgiri Hills, at about 7,500 ft (2,300 m) above sea level. It is sheltered by several peaks, including Doda Betta (8,652 ft), the highest point in Tamil Nadu. Founded by the British in 1821, it was used as the official government summer headquarters for the Madras Presidency until Indian independence