Ancient Roman cement/concrete is better in many ways than modern cement/concrete. So why don't we use it today? Like McArthur Park, we lost the recipe.
#AncientRome #AncientRoman #Rome #Roman #Concrete #Cement #buildingMaterials
#buildingmaterials
Die Rückkehr des Hanfanbaus nach Deutschland. (taz)
#taz, #Landwirtschaft, #Hanf, #Hanffasern, #Kleidung, #Textilien, #Textilfaser, #Nahrung, #Lebensmittel, #Heilmittel, #Medizin, #Öle, #Papier, #Baustoffe, #Energie, #THC, #Cannabis, #Baumwolle, #Leinen, #Agriculture, #Hemp, #HempFibers, #Clothing, #Textiles, #Food, #Remedies, #Medicine, #Oils, #Paper, #BuildingMaterials, #Energy, #THC, #Cannabis, #Cotton, #Linen
Ersatz für Baumwolle und Kunstfaser: Die Rückkehr des Hanfs #taz
