The Chinese of the Song Dynasty invent dry docks
A dry dock is a narrow basin or vessel that can be flooded to allow a load to be floated in, then drained to allow that load to come to rest on a dry platform.
A dry dock is a narrow basin or vessel that can be flooded to allow a load to be floated in, then drained to allow that load to come to rest on a dry platform.
The Grand Canal is a vast waterway system in the north-eastern and central-eastern plains of China, running from Beijing in the north to Zhejiang province in the south. It was conceived as a unified means of communication for the Empire for the first time in the 7th century C.E. (Sui dynasty).
Originally invented and used by the Vikings for commerce, exploration, and warfare, many of the longship’s characteristics were adopted by other cultures.
The earliest fully developed spoke-wheeled horse chariots are from the chariot burials of the Andronovo (Timber-Grave) sites of the Sintashta-Petrovka Proto-Indo-Iranian culture in modern Russia and Kazakhstan from around 2000 B.C.E.
The earliest known docks were those discovered in Wadi al-Jarf, an ancient Egyptian harbor dating from 2500 B.C.E. located on the Red Sea coast.
Evidence indicates they were created to serve as potter’s wheels around 3500 B.C. in Mesopotamia, 300 years before someone figured out to use them for chariots.
The Sweet Track is a Neolithic timber walkway, located in the Somerset Levels, England. It was originally part of a network of tracks built to provide a dry path across the marshy ground.
The Phoenicians and Egyptians sailed under cloth sails on single log and simple long narrow sailboats.
The oldest constructed roads discovered to date are in former Mesopotamia, now known as Iraq.
Wooden oars, with canoe-shaped pottery, dating from 5000-4500 B.C.E. have been discovered in a Hemudu culture site at Yuyao, Zhejiang, in modern China.