enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Cubatão - Wikipedia

    en.wikipedia.org/wiki/Cubatão

    The municipality was created by state law in 1948. [4]Map of the state of São Paulo (1948). In the early 1980s, Cubatão was one of the most polluted cities in the world, nicknamed "Valley of Death", due to births of brainless children and respiratory, hepatic and blood illnesses.

  3. Science fair - Wikipedia

    en.wikipedia.org/wiki/Science_fair

    A science fair or engineering fair is an event hosted by a school that offers students the opportunity to experience the practices of science and engineering for themselves. In the United States, the Next Generation Science Standards makes experiencing the practices of science and engineering one of the three pillars of science education.

  4. Power station - Wikipedia

    en.wikipedia.org/wiki/Power_station

    A power station, also referred to as a power plant and sometimes generating station or generating plant, is an industrial facility for the generation of electric power. Power stations are generally connected to an electrical grid .

  5. Cuba's electric grid collapses after power plant failure ...

    www.aol.com/news/cubas-electric-grid-collapses...

    The country's energy and mines ministry said the Antonio Guiteras power plant in Matanzas, the island's top electricity producer, had shut down at around 2 a.m., prompting the grid collapse. Cuba ...

  6. Coal-fired power station - Wikipedia

    en.wikipedia.org/wiki/Coal-fired_power_station

    Coal power plant wastestreams. Coal burning power plants kill many thousands of people every year with their emissions of particulates, microscopic air pollutants that enter human lungs and other human organs and induce a variety of adverse medical conditions, including asthma, heart disease, low birth weight and cancers.

  7. Google Science Fair - Wikipedia

    en.wikipedia.org/wiki/Google_Science_Fair

    The Google Science Fair was a worldwide (excluding Cuba, Iran, North Korea, Sudan, Myanmar/Burma, Syria, Zimbabwe and any other U.S. sanctioned country [1]) online science competition sponsored by Google, Lego, Virgin Galactic, National Geographic and Scientific American. [2] [3] [4] It was an annual event spanning the years 2011 through 2018.

  8. Environmental impact of electricity generation - Wikipedia

    en.wikipedia.org/wiki/Environmental_impact_of...

    Power plant emissions of mercury in the United States are thought to be about 50 tons per year in 2003, and several hundred tons per year in China. Power plant designers can fit equipment to power stations to reduce emissions. Coal mining practices in the United States have also included strip mining and removing mountain tops. Mill tailings ...

  9. Steam–electric power station - Wikipedia

    en.wikipedia.org/wiki/Steam–electric_power_station

    The efficiency of a conventional steam–electric power plant, defined as energy produced by the plant divided by the heating value of the fuel consumed by it, is typically 33 to 48%, limited as all heat engines are by the laws of thermodynamics (See: Carnot cycle). The rest of the energy must leave the plant in the form of heat.