-
clay pots
-
the weel is invented
-
humans begin using metals
-
the plough
-
writing sistems are invented
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abacus
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ferrous metalurgy begins
-
te water pump
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the lighthouse
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paper
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windmills
-
gunpowder
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mechanical clock
-
the pringting press
-
janssen microscope
-
galielo´s telescope
-
torricelli´s barometer
-
watt steam engine
-
electricity, volta
-
steam locomotive
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steamboat
-
electric motor. faraday
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cement
-
electric generator
-
morse telegraph
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the television
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penicilin
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mobile phone
