we extract oil from shale

  • 81Space colonization — Artist Les Bossinas 1989 concept of Mars mission Space colonization (also called space settlement, space humanization, or space habitation) is the concept of permanent human habitation outside of Earth. Although hypothetical at the present time,… …

    Wikipedia

  • 82Fossil fuel power plant — A fossil fuel power plant burns fossil fuels such as coal, natural gas or petroleum (oil) to produce electricity.Fossil fuel power plants are designed on a large scale for continuous operation. In many countries, such plants provide most of the… …

    Wikipedia

  • 83Radon — This article is about the chemical element. For other uses, see Radon (disambiguation). astatine ← radon → francium Xe ↑ Rn ↓ Uuo …

    Wikipedia

  • 84Economy of Barbados — OverviewSince achieving independence in 1966, the island nation of Barbados has transformed itself from a low income economy dependent upon sugar production, into an upper middle income economy based on tourism and the offshore sector. Barbados… …

    Wikipedia

  • 85Cogeneration — For other uses, see CHP (disambiguation). Sustainable energy Renewable energy …

    Wikipedia

  • 86Mining — This article is about the extraction of geological materials from the Earth. For the municipality in Austria, see Mining, Austria. For the siege tactic, see Mining (military). For name of the Chinese emperor, see Daoguang Emperor. Simplified… …

    Wikipedia

  • 87Alexander Crum Brown — FRSE FRS (26 March 1838 – 28 October 1922) was a Scottish organic chemist. Contents 1 Biography …

    Wikipedia

  • 88coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …

    Universalium

  • 89Intermittent energy source — An intermittent energy source is any source of energy that is not continuously available due to some factor outside direct control. The intermittent source may be quite predictable, for example, tidal power, but cannot be dispatched to meet the… …

    Wikipedia

  • 90Great Leap Forward — For other uses, see Great Leap Forward (disambiguation). History of the People s Republic of China   &#1 …

    Wikipedia