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1 h 1 min, 1 janv. 1267 ans - Roger Bacon publishes Opus Maius, which among other things, proposes an early form of the scientific method, and contains results of his experiments with gunpowder.
Ajouté au bande de temps:
9 nov. 2018
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Timeline of Chemistry
Date:
1 h 1 min, 1 janv. 1267 ans
Maintenaint
~ Il y a 757 ans