aincent hisotry
-
Investigating one of the loudest and most mysterious underwater sounds ever recorded. What is the Bloop? According to NOAA in 1997, Bloop is an underwater sound that has been termed as mysterious. An ultra-low-frequency sound of humongous volume was detected by the hydrophones located 5000 kilometers apart in the Pacific Ocean. The sound lasted for
-
The secrets behind the durability and longevity of Roman concrete structures. What is Roman Concrete? Their opus caementicium is the Roman concrete-an old building material formulated by the Romans. It was used in many of their famous structures, such as the Pantheon, aqueducts, and amphitheaters, a great number of which have survived the decades for
Universal Chronicle 