Fun, but also interesting, like the explanations on the discovery of the pressure cooker:
http://books.google.be/books?id=Feo0AAA ... az&f=false
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Technological discoveries (1820)
Innovations, ideas or patents for sustainable development. Decrease in energy consumption, reduction of pollution, improvement of yields or processes ... Myths or reality about inventions of the past or the future: the inventions of Tesla, Newman, Perendev, Galey, Bearden, cold fusion ...
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Technological discoveries (1820)
by the middle » 26/09/10, 10:03
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Man is by nature a political animal (Aristotle)
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