• Ancient Artifacts Made from Highly Unusual Metals

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  • Minerals | May 2018

    Minerals, an international, peerreviewed Open Access journal.

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  • Impact Toughness Testing of Metals |

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  • Mining

    Secondly, and more subtly, the right elements have to be accessible on the planet for it to be colonizable. This seems a bit puzzling at first, but what if Centauri Bb is the only planet in the Centauri system, and it has only trace elements of Nitrogen in its composition?

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    Chromium is a chemical element with symbol Cr and atomic number 24. It is the first element in group is a steelygrey, lustrous, hard and brittle metal which takes a high polish, resists tarnishing, and has a high melting name of the element is derived from the Greek word χρῶμα, chrōma, meaning color, because many chromium .

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  • The Key Role of Impurities in Ancient Damascus Steel .

    The art of producing the famous 1618th century Damascus steel blades found in many museums was lost long ago. Recently, however, research has established strong evidence supporting the theory that the distinct surface patterns on these blades result from a carbidebanding phenomenon produced by the microsegregation of minor .

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    Process. Material input. Air emissions. Process wastes. Other wastes . Lead sintering. Lead ore, iron, silica, limestone flux, coke, soda, ash, pyrite, zinc, caustic ...

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  • The London Artifact (Texas)

    The London Artifact is a nineteenthcentury geologist's hammer wrongly presented as evidence for Noah's flood.

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