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  • Fire: it was the basis of self-preservation. It preserves, cooks and purifies foods that we could not normally digest.
  • The Wheel
  • Penicillin
  • Light bulb
  • Automobile
  • Airplane
  • Computer
  • Telephone
  • printing press
  • medicine because without medicine people won't be able to cure different types of illness/sickness like H1N1

Electricity, fire, and to some degree the wheel are all discoveries not inventions. To demonstrate the importance of the invention of the printing press consider that all the inventions in this list would not exist without cumulative, progressive development not possible with out free exchange of ideas the basis of which is the invention of the printing press.

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13y ago

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