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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
A sugar-based candy craft called alfeñique was imported and is now used for the Day of the Dead. [54] Over time ingredients like olive oil, rice, onions, garlic, oregano, coriander, cinnamon, and cloves became incorporated with native ingredients and cooking techniques. [51] One of the main avenues for the mixing of the two cuisines was in ...
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.
Aztec calendar (sunstone) Mesoamerican chronology divides the history of prehispanic Mesoamerica into several periods: the Paleo-Indian (first human habitation until 3500 BCE); the Archaic (before 2600 BCE), the Preclassic or Formative (2500 BCE – 250 CE), the Classic (250–900 CE), and the Postclassic (900–1521 CE); as well as the post European contact Colonial Period (1521–1821), and ...
At the end of the 19th century, Henri Bergson declared the metaphor of the timeline to be deceiving in Time and Free Will. [12] The question of big history and deep time engendered estranging forms of the timeline, like in Olaf Stapledon 's 1930 work Last and First Men where timelines are drawn on scales from the historical to the cosmological.
The timeline below shows the date of publication of possible major ... Around the time of ... [85] [86] [87] This claim is based on his description of the ...