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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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20 sept 1000 año aC - Abacus and steel

Descripción:

The abacus is used as an everyday method of calculation by Phoenicians and Babylonians

Iron reheated with carbon is found to be much harder, being transformed into steel

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Evolution Timeline

ByDalynn Paredes
27 oct 2017
0
0
667

fecha:

20 sept 1000 año aC
Ahora mismo
~ 3028 years ago

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