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Cob is an English term attested to around the year 1600 [3] for an ancient building material that has been used for building since prehistoric times. The use of this material in Iran is more than 4000 years old. The etymology of cob and cobbing is unclear, but in several senses means to beat or strike, [4] which is how cob material is applied ...
Cobalt borides are known to be exceptionally resistant to oxidation, a chemical property which makes them useful in the field of materials science.For instance, studies suggest cobalt boride can increase the lifespan of metal parts when used as a coating, imparting surfaces with higher corrosion and wear resistance.
A material property is an intensive property of a material, i.e., a physical property or chemical property that does not depend on the amount of the material. These quantitative properties may be used as a metric by which the benefits of one material versus another can be compared, thereby aiding in materials selection.
Cobalt's ability to maintain magnetic properties at high temperatures makes it valuable in magnetic recording applications, ensuring reliable data storage devices. [184] Cobalt also contributes to specialized magnets such as samarium-cobalt and neodymium-iron-boron magnets, which are vital in electronics for components like sensors and actuators .
Cordwood masonry wall detail. The method is sometimes called stackwall because the effect resembles a stack of cordwood. A section of a cordwood home. Cordwood construction (also called cordwood masonry or cordwood building, alternatively stackwall or stovewood particularly in Canada) is a term used for a natural building method in which short logs are piled crosswise to build a wall, using ...
Elon Musk took aim at the U.S. Agency for International Development this weekend, gaining access to top secret documents, though at first his DOGE was denied the access.
Cob, sometimes referred to as "monolithic adobe", [12] is a natural building material made from soil that includes clay, sand or small stones and an organic material such as straw. Cob walls are usually built up in courses, have no mortar joints and need 30% or more clay in the soil.
Military families protesting the Defense Department's anti-DEI push heckled Defense Secretary Pete Hegseth on his arrival at U.S. European Command headquarters in Germany on Tuesday. On a visit to ...