pressure per unit area
121Le Sage's theory of gravitation — is the most common name for the kinetic theory of gravity originally proposed by Nicolas Fatio de Duillier in 1690 and later by Georges Louis Le Sage in 1748. The theory proposed a mechanical explanation for Newton s gravitational force in terms… …
122Cotton mill — A cotton mill is a factory that houses spinning and weaving machinery. Typically built between 1775 and 1930, mills spun cotton which was an important product during the Industrial Revolution. Cotton mills, and the mechanisation of the spinning… …
123Compact fluorescent lamp — Low energy light bulb redirects here. For other low energy bulbs, see LED lamp. The tubular type compact fluorescent lamp is one of the most popular types in Europe …
124List of sovereign states and dependent territories by population density — Population density (people per km2) by country, 2006 This is a list of countries and dependencies ranked by human population density, and measured by the number of human inhabitants per square kilometre or square mile. The list includes sovereign …
125Casimir effect — Casimir forces on parallel plates Casimir forces on parallel pl …
126meteorite crater — crater (def. 2). * * * Depression that results from the impact of a meteorite with a solid object in space. Impact craters have been discovered on Earth, the Moon, Mars, other planets and satellites, and asteroids; they probably occur on… …
127tropical rainforest — Introduction also spelled tropical rain forest luxuriant forest, generally composed of broad leaved trees and found in wet tropical uplands and lowlands around the Equator. Rainforests are vegetation types dominated by broad leaved trees …
128Economy of India — The economy of India, measured in USD exchange rate terms, is the twelfth largest in the world, with a GDP of around $1 trillion (2008). [http://timesofindia.indiatimes.com/Business/Economy loses trillion dollar status/articleshow/3186378.cms The …
