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Earth and Moon Gravity Field Demonstration - YouTube - 0 views

www.youtube.com/watch moon gravity demonstration astronomy force lunar model weight solar_system
shared by Jo McGrouther on 22 Nov 12 - No Cached
  • Jo McGrouther on 22 Nov 12
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HowStuffWorks "How Fuel Cells Work" - 0 views

auto.howstuffworks.com/...fuel-cell.htm Fuel cell hydrogen HowStuffWorks Cells video galvanic_cells fuel_cell electrochemistry
shared by Jo McGrouther on 28 Nov 12 - Cached
  • Jo McGrouther on 28 Nov 12
     
    So what exactly is a fuel cell, anyway? Why are governments, private businesses and academic institutions collaborating to develop and produce them? Fuel cells generate electrical power quietly and efficiently, without pollution. Unlike power sources that use fossil fuels, the by-products from an operating fuel cell are heat and water. But how does it do this?
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Hydrogen Cars - 0 views

www.odec.ca/...HydroCars.htm Fuel cell hydrogen Cells video galvanic_cells fuel_cell animation
shared by Jo McGrouther on 28 Nov 12 - No Cached
  • Jo McGrouther on 28 Nov 12
     
    This site includes a simple animation of a hydrogen fuel cell.
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Jupiter: the Largest - YouTube - 0 views

www.youtube.com/watch jupiter solar_system planets planet space astronomy
shared by Jo McGrouther on 29 Nov 12 - No Cached
  • Jo McGrouther on 29 Nov 12
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