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By at least the 3rd century: Crystallized sugar in India. [299] Early 3rd century: Woodblock printing is invented in Han dynasty China at sometime before 220 AD. This made China become the world's first print culture. [300] Late 3rd century – Early 4th century: Water turbine in the Roman Empire in modern-day Tunisia. [301] [302] [303]
List of Indian inventions and discoveries; List of Indonesian inventions and discoveries; List of inventions and discoveries of the Indus Valley Civilisation; List of inventions named after people; List of inventors killed by their own invention; Timeline of Irish inventions and discoveries; List of inventions in the medieval Islamic world
Félix d'Herelle (1873–1949), together with Giorgi Eliava (1892–1937), France, Georgia – Phage therapy; Heron (c. 10–70), Roman Egypt – usually credited with invention of the aeolipile, although it may have been described a century earlier; John Herschel (1792–1871), UK – photographic fixer (hypo), actinometer
Engineers during World War Two test a model of a Halifax bomber in a wind tunnel, an invention that dates back to 1871.. The following is a list and timeline of innovations as well as inventions and discoveries that involved British people or the United Kingdom including the predecessor states before the Treaty of Union in 1707, the Kingdom of England and the Kingdom of Scotland.
The following articles cover the timeline of United States inventions: Timeline of United States inventions (before 1890), before the turn of the century; Timeline of United States inventions (1890–1945), before World War II; Timeline of United States inventions (1946–1991), during the Cold War
5th century BC: The Greeks start experimenting with straightedge-and-compass constructions. [30] 5th century BC: The earliest documented mention of a spherical Earth comes from the Greeks in the 5th century BC. [31] It is known that the Indians modeled the Earth as spherical by 300 BC [32] 460 BC: Empedocles describes thermal expansion. [33]
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A starting gate, also known as starting stalls, is a machine used in the sports of thoroughbred horse and dog racing to ensure a fair start in a race. The starting gate was invented by Clay Puett of Chillicothe, Texas, when it was used at Lansdowne Park in Vancouver, British Columbia, Canada for the first time on July 1, 1939. [291]