Roman concrete was considerably weaker than its modern counterpart, but it has proved remarkably durable thanks to its unique recipe, which used slaked lime and a volcanic ash known as pozzolana to create a sticky paste.
relating to eruptions of gas and lava from the earth's crust
Roman concrete was considerably weaker than its modern counterpart, but it has proved remarkably durable thanks to its unique recipe, which used slaked lime and a volcanic ash known as pozzolana to create a sticky paste.
First developed around 312 B.C., these engineering marvels used gravity to transport water along stone, lead and concrete pipelines and into city centers.
a chemical element or alloy that is usually a shiny solid
Known as Acta Diurna, or “daily acts,” these early newspapers were written on metal or stone and then posted in heavily trafficked areas like the Roman Forum.
a person; a hominid with a large brain and articulate speech
Acta are believed to have first appeared around 131 B.C. and typically included details of Roman military victories, lists of games and gladiatorial bouts, birth and death notices and even human interest stories.
Created on Fri Jan 11 10:16:02 EST 2013
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