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Molcajete used to grind spices Molcajete as a food container. Molcajetes are used to crush and grind spices, and to prepare salsas and guacamole.The rough surface of the basalt stone creates a superb grinding surface that maintains itself over time as tiny bubbles in the basalt are ground down, replenishing the textured surface.
Tridilosa: invented by civil engineer Heberto Castillo. Anti-graffiti coating (Deletum 3000): developed in the early 2000s at UNAM’s Applied Physics and Advanced Technology Centre in Querétaro Mexico. Earthquake Resistant Foundations: invented by engineer Manuel González Flores in 1945.
The timeline of wars has been split up in the following periods: List of wars: before 1000; List of wars: 1000–1499; List of wars: 1500–1799; List of wars: 1800–1899; List of wars: 1900–1944; List of wars: 1945–1989; List of wars: 1990–2002; List of wars: 2003–present
(2024) The Food Timeline. (Illustrated Edition) Block, Stephen. "Food History". The Kitchen Project. [1] [2] [3] Collingham, Lizzie. Taste of War: World War II and the Battle for Food (2013) Cumo, Christopher, ed. Foods That Changed History: How Foods Shaped Civilization from the Ancient World to the Present (Facts on File, 2015) online
500 BC – The moldboard iron plough is invented in China; 500 BC – Row cultivation of crops using intensive hoeing to weed and conserve moisture practised in China; 300 BC – Efficient trace harness for plowing invented in China; 200 BC – Efficient collar harness for plowing invented in China; 100 BC – Rotary winnowing fan invented in China
The timeline begins at the Bronze Age, as it is difficult to give even estimates for the timing of events prior to this, such as of the discovery of counting, natural numbers and arithmetic. To avoid overlap with timeline of historic inventions , the timeline does not list examples of documentation for manufactured substances and devices unless ...
It has been claimed that Waddingtons later produced special games during World War II which secretly contained files, a compass, a map printed on silk, and real currency hidden amongst the Monopoly money, to aid prisoners of war in escaping from German camps. [95] [96] However, this story has come under recent scrutiny and is being disputed. [97]
Date Event Significance 602–629: Last great Roman–Persian War. Long conflict leaves both empires exhausted and unable to cope with the newly united Arab armies under Islam in the 630s 604–609: Grand Canal in China is fully completed [16] Its main role throughout its history was the transport of grain to the capital. 618: 18 June