Hero of Alexandria

Hero of Alexandria (Greek: Ἥρων[1] ὁ Ἀλεξανδρεύς, Heron ho Alexandreus; also known as Heron of Alexandria; c. 10 AD – c. 70 AD) was a Greek mathematician and engineer who was active in his native city of Alexandria, Roman Egypt. Continue reading

Marcus Vitruvius Pollio

Marcus Vitruvius Pollio (born c. 80–70 BC, died after c. 15 BC), commonly known as Vitruvius or Vitruvi or Vitruvio, was a Roman author, architect, civil engineer and military engineer during the 1st century BC, Continue reading

Aeolipile was the first Turbine

A Greek inventor by the name of Hero of Alexandria, described the toy Aeolipile that he build circa 75 CE. Continue reading

Suspension bridge spanning more than 5000 feet

Completed in 1997, the Great Belt bridge in Denmark became the first suspension bridge to spanning more than 5,000 feet, coming in at 5,328 feet (1,624 meters). Continue reading

Dara Dam the First Arch Dam

On the present day border of Syria and Turkey, during the reign of Emperor Justinian, the Byzantine Romans built an arched dam called Dara Dam, circa 550 CE. Continue reading

Chinese Monk makes note of a suspension Bridge in 399 CE

A Chinese monk of the 4th Century mentioned in the account of Faxian (Fa-Hsien, Fa Hien), the note of the existence of a rope suspension bridge which crossed over the Indus River in India, and was noted to be ancient at the time the monk crossed the bridge. Continue reading

The Undershot Device Designed to Transmit Power Through Gearing

During circa 27 CE, a Roman Architect and Military Engineer by the name of Marcus Vilruvius Pollio, describes the Undershot Device. Continue reading

River Navigation by Locks

By 70 CE the Chinese were using locks for river navigation. Continue reading

Dam higher than 1000 feet

The Rogun Dam at Vakhsh, Tajikistan, on its planned completion date in 2000, should stand at 1,099 feet (335 meters) high. Continue reading