The origins of the computer

Submitted by: Billy

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In place of Greek democracy, piety, and independence came Roman authoritarianism and practicalityVast prosperity resultedEurope and the Mediterranean bloomed with trading cities ten times the size of their predecessors with public amenities previously unheard of courts, theaters, circuses, and public bathsAnd these were now large permanent masonry buildings as were the habitations, tall apartment houses covering whole city blocks. This architectural revolution brought about by the Romans required two innovations: the invention of a new building method called concrete vaulting and the organization of labor and capital on a large scale so that huge projects could be executed quickly after the plans of a single master architect. Roman concrete was a fluid mixture of lime and small stones poured into the hollow centers of walls faced with brick or stone and over curved wooden molds, or forms, to span spaces as vaultsThe Mediterranean is an active volcanic region, and a spongy, light, tightly adhering stone called pozzolana was used to produce a concrete that was both light and extremely strong The Romans had developed potsalana concrete about 100 B.C