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Metal toxicity or metal poisoning is the toxic effect of certain metals in certain forms and doses on life. Some metals are toxic when they form poisonous soluble compounds. Certain metals have no biological role, i.e. are not essential minerals, or are toxic when in a certain form. [ 1 ]
Other metal oxides can be used, such as chromium oxide, to generate the given metal in its elemental form. For example, a copper thermite reaction using copper oxide and elemental aluminium can be used for creating electric joints in a process called cadwelding , that produces elemental copper (it may react violently):
The thermionic vacuum arc (TVA) is a new type of plasma source, which generates a plasma containing ions with a directed energy. TVA discharges can be ignited in high-vacuum conditions between a heated cathode (electron gun) and an anode (tungsten crucible) containing the material.
The project was announced in 2014. [2] [7] The name and design were inspired by the fictional arc reactor built by Tony Stark, who attended MIT in the comic books.The concept was born as "a project undertaken by a group of MIT students in a fusion design course.
Corrosion in space is the corrosion of materials occurring in outer space.Instead of moisture and oxygen acting as the primary corrosion causes, the materials exposed to outer space are subjected to vacuum, bombardment by ultraviolet and X-rays, solar energetic particles (mostly electrons and protons from solar wind), and electromagnetic radiation. [1]
Archaeologists believe they may have discovered the final location of Noah’s Ark on Turkey’s Mount Ararat. Soil samples from atop the highest peaks in Turkey reveal human activity and marine ...
The Biblical account of Noah tells of God instructing Noah to build a giant ark to spare his family and pairs of animals from an impending flood meant to destroy the evil and wickedness running ...
Ark: Survival Evolved (stylized as ARK) is a 2017 action-adventure survival video game developed by Studio Wildcard. In the game, players must survive being stranded on one of several maps filled with roaming dinosaurs , fictional fantasy monsters, and other prehistoric animals, natural hazards, and potentially hostile human players.