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The categorisation of the past into discrete, quantified named blocks of time is called periodization. [1] This is a list of such named time periods as defined in various fields of study. These can be divided broadly into prehistorical periods and historical periods (when written records began to be kept).
Today, the center of traditional copper work in Mexico is the state of Michoacán, especially the municipality of Santa Clara del Cobre. One traditional hammered copper object is a large vessel in which pork fat is rendered or sugar caramelized for making candies. Every year during the month of August Santa Clara del Cobre holds a copper ...
During and after the Conquest, the working of the metal by the indigenous was disrupted. Many of the villages of the Pátzcuaro area were abandoned in large part due to the abuses by conquistador Nuño de Guzmán. The Spanish were soon aware of the copper deposits of this region and the indigenous’ ability to work it.
A time bomb's timing mechanism may be professionally manufactured either separately or as part of the device, or it may be improvised from an ordinary household timer such as a wind-up alarm clock, wrist watch, digital kitchen timer, or notebook computer. The timer can be programmed to count up or count down (usually the latter; as the bomb ...
Hispanic Heritage Month is very important to Zamanillo as part of his career focused on making Hispanic and Latino history included in U.S. history. After a trip to Washington, D.C., 30 years ago ...
The briefcase bomb used in the July 20 plot used a captured British pencil detonator inserted into a block of British plastic explosives weighing approximately two pounds. The bomb was set to 30 minutes and detonated as planned, but Hitler survived with minor injuries. Stauffenberg could not prepare the second block, though. He got rid of it ...
Guanín objects made by the Taínos excavated in Cuba.. Guanín is an alloy of copper, gold and silver, similar to red gold, used in pre-Columbian central America. [1] The name guanín is taken from the language of the Taíno people, who prized it for its reddish color, brilliant shine, and unique smell, and associated it with both worldly and supernatural power.
He named it Santa Rita del Cobre (Saint Rita of the Copper), after Saint Rita of Cascia and the existing mine. During the early 19th century the mine produced over 6 million pounds (2.7 million kg) of copper annually. [1] The crudely smeltered ore was shipped to Chihuahua for further smelting and then sent to Mexico City on mule back. [1]