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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.
Wikipedia-wide date-based timeline (See any date: June 1, 1930s, 1952, 1900s, etc) Wikipedia:Timeline standards; Wikipedia:WikiProject Years; Wikipedia:WikiProject Days of the year; Wikipedia:WikiProject Timeline Tracer
Remnants of popcorn have been found in Mexico that date to circa 3600 BC. The origin of tacos is based on the pre-Hispanic custom of picking up other foods with tortillas as utensils were not used. [13] The origin of the word is in dispute, with some saying it is derived from Nahuatl and others from various Spanish phrases. [43]
Joseph Priestley's A New Chart of History, 1765 The bronze timeline "Fifteen meters of History" with background information board, Örebro, Sweden. A timeline is a list of events displayed in chronological order. [1] It is typically a graphic design showing a long bar labelled with dates paralleling it, and usually contemporaneous events.
600 BC - 200 BC: The Sushruta Samhita shows an understanding of musculoskeletal structure (including joints, ligaments and muscles and their functions) (3.V). [25] It refers to the cardiovascular system as a closed circuit. [26] In (3.IX) it identifies the existence of nerves. [25]
1926: The Yagi-Uda Antenna or simply Yagi Antenna is invented by Shintaro Uda of Tohoku Imperial University, assisted by his colleague Hidetsugu Yagi. The Yagi Antenna was widely used during World War II. After the war they saw extensive development as home television antennas. 1926: Robert H. Goddard launches the first liquid fueled rocket.
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