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Each level of the game takes place on a space dreadnought named after a different metal. The last level is named after the fictional element uridium. The cassette inlay card says the name was created by one of the game developers who thought uridium really existed. [86] (Not to be confused with real element iridium.) Uru Marvel Comics
Shaping metal with a hammer is the archetypical component of smithing. Often the hammering is done while the metal is hot, having been heated in a forge . Smithing can also involve the other aspects of metalworking , such as refining metals from their ores (traditionally done by smelting ), casting it into shapes ( founding ), and filing to ...
Smithing process in Mediterranean environment, Valencian Museum of Ethnology. Blacksmiths work by heating pieces of wrought iron or steel until the metal becomes soft enough for shaping with hand tools, such as a hammer, an anvil and a chisel. Heating generally takes place in a forge fueled by propane, natural gas, coal, charcoal, coke, or oil.
Ancient Greek crafts (or the craftsmanship in Ancient Greece) was an important but largely undervalued, economic activity. It involved all activities of manufacturing transformation of raw materials, agricultural or not, both in the framework of the oikos and in workshops of size that gathered several tens of workers.
Ancient slag composition is usually a quaternary eutectic system CaO-SiO 2-FeO-Al 2 O 3 simplified to CaO-SiO 2-FeO 2, giving a low and uniform melting point. [8]: 21 In some circumstances, the eutectic system was created according to the proportion of silicates to metal oxides in the gangue, together with the type of ore and the furnace lining.
The wall where the map was originally mounted. The Forma Urbis Romae or Severan Marble Plan is a massive marble map of ancient Rome, created under the emperor Septimius Severus between AD 203 and 211. Matteo Cadario gives specific years of 205–208, noting that the map was based on property records. [1]
Arne Jouttijärvi writes of three sites at which hammerscale deposits and concentration were used to map the areas of smithies in Viking Age pithouses in modern-day Denmark and Norway. For example, he writes how the "blacksmith himself shielded the floor where he stood, leaving a 'shadow' in the distribution of hammer scale."
Kestel, in southern Turkey, is the site of an ancient Cassiterite mine that was used from 3250 to 1800 BC. [19] The oldest artifacts date from around 2000 BC. [20] It was recognised as an element by Guyton de Morveau, Lavoisier, Berthollet, and Fourcroy in 1787. [6]